Showing posts with label Cell Phone Jammer. Show all posts
Showing posts with label Cell Phone Jammer. Show all posts

Tuesday, June 19, 2012

Cell phone jammer has the after-service of one-year repair

There is video loss detection, PTZ camera control devices and high-speed digital image transmission systems, due to some technical principle is very complex, and some rarely applied in practice, some products are lower profile, so it works here without a special discussion. Now on some of the major functions of the equipment for some introduction. First, the time, date generator: the device can generate consistent with the actual time and date, and through a simple operation to adjust, then through internal video, OSD circuit will have the time, date, words to the screen.Passing rate of cell phone jammer quality can keep above 99.37% for a long time. Thus, using the time and date generator, the image will have a time record, convenient file storage and query. Second, OSD device: the device with the same time and date generator, can produce English or Chinese characters displayed on the image, allowing users to see at a glance. There are two forms of Chinese characters. One is fixed, you need to cure the necessary characters in memory, this simple, low cost and easy to implement, but can not be modified, once the location of the front-end devices because of the need for change in the character of the changes you need a professional manufacturer, or implementation of the original manufacturers, the process cumbersome, long time, now gradually being phased out.Our customer can buy the products of cell phone jammer with more confidence and use them with more comfortableness. The other is the dynamic character overlay device, you can connect a PC, use the character set by the user software for the dynamic character set, character content, and so can be displayed by the user, this approach is flexible, easy to expand, easy to modify, is the mainstream of the current OSD device. Third, the video distributor: As the system may need a way for multiple image processing equipment, such as monitors, matrix switchers, multiplexers, video recorders, etc., according to the characteristics of video signals, must be added to the video splitter for video signal distribution. Its role is assigned after the video signal impedance matching, amplification, simultaneous adjustment, to avoid the video signal attenuation, impedance worthy cause image degradation. cell phone jammer has the after-service of one-year repair. Fourth, the time base corrector: TV image signal in the electric - magnetic and magnetic - electrical process of change and the transfer process will produce a special phase distortion, caused by the image signal per unit time per unit time can not be converted or restored, we call The time base error. Serious cause an error tone and image synchronization is lost, resulting in signal rolling, jumping, flashing and so on. Time Base Corrector is a time base error correction special equipment. This equipment can be re-lined the signal, that is, to signal a different delay, the delay of some of the early part of the more, some less lag delay, and therefore a time base corrector is controlled amount of delay time delay equipment. Now apply the time-base corrector mostly digital, calibration range.24-hour after service hotline support and network support are available to cell phone jammer. The correction method is to pulse code modulation signal playback (PCM), to turn it into digital signals, and then deposited with the memory clock signal synchronization, and synchronization signal generated by the reference clock and read out sequentially from memory Remove the digital signal, the read speed is uniform, so the signals are arranged neatly. The signal will then read out the digital / analog converter output, thus ensuring the transmission quality of the image signal. Fifth, PTZ, camera controller: The device is suitable for smaller, non-use front-end decoder.

Monday, June 18, 2012

Cell phone jammer Installed in Factory

From 2009 the market situation since some analysis can also see some clues. Now, from the Google Android operating system, Windows Mobile operating system, Symbian OS, iCell phone  OS operating system, many intelligent operating system have started taking in the Chinese market, China Unicom to introduce Apple's iCell phone , cell phone   operating system developed OMS, Telecom frequently came to discuss with the introduction of RIM BlackBerry smartcell phone s. As smart cell phone s in the cell phone   market gradually increased the proportion of high school enrich the low-end smart cell phone s, smart cell phone s will be in the foreseeable future to dominate the cell phone   market, as you will not hesitate to buy a smart cell phone  is, but hesitated in the end Which to buy a smart cell phone . cell phone jammer of ABJ004, ABJ005 and ABJ006 whose powers are adjustable can also be selected.
The concept of environmental protection have always been mobile, but now more and more companies paying attention. Continued deterioration in the global environmental context, cell phone   manufacturers are thinking about how to make environmental protection a contribution to their own. The mobile environment to be achieved mainly through two ways, first, to consider the material from the cell phone  , Sony Ericsson recently launched eco-friendly cell phone   J10 and J20, Samsung W510, Nokia 6730c, and so models are based on biodegradable or recyclable material, to be environmentally friendly. The other way is to cell phone  using environmentally friendly new energy, solar energy is the most common cell phone  . Of course, this solar energy is also not 100% support for mobile power needs, but the auxiliary power supply, solar energy into chattels Samsung S7550 cell phone   with a variety of models with Sharp. The power of cell phone jammer ABJ001, ABJ002 and ABJ003 can be adjusted.
Growing tension in the energy today, is imperative to develop new energy sources, new energy-based cell phone  s will become increasingly common. Of course cell phone  s should not be limited to the new solar energy technology, such as geothermal, wind and so is likely to be the next mobile energy support and the advancement of technology, we'll see. Maybe a few years ago you are still unfamiliar with the term cell phone   radiation, but I believe most people have a more or less on a better understanding of cell phone   radiation. Cell phone   radiation is when people use the cell phone , the cell phone  will transmit radio waves to transmit the base station, and some of these radio waves are absorbed by the body, which may alter human tissue for human health impact. Although the scientific community of cell phone   radiation on human specific harm has not yet conclusive, but there is no doubt that there is indeed harmful. Outdoor installation of cell phone jammer will be described at first.
The management of cell phone   radiation, the radiation cell phone  s in Europe are on the very stringent requirements, not up to standard cell phone   sales are not allowed to be produced, while the domestic cell phone   radiation standards are due to various reasons have not been able to finalize. Latest news is that China's cell phone   radiation have been implemented at the technical level scale, and was submitted to the country by the end of scale management committee to wait for approval. Once introduced, the value of cell phone   radiation, the manufacturers will surely become a new selling point to sell cell phone  s, cell phone  s will also be a big step ahead of the low radiation. For us ordinary consumers, this is a long overdue benefits. Prior to Apple, not daring to imagine that cell phone   software vendors can sell so the fire, App Store sales created a new concept, a new profit growth point. This is a cell phone  manufacturers,developements,consumers among the three mutual benefit, the perfect balance of the platform. The indoor installation of cell phone jammer also needs to be introduced.
It also allows cell phone   makers see the future development of the new direction, that cell phone  while making a better performance, better application development capabilities, while the latter is clearly the proportion is gradually increasing. Samsung Samsung Apps, Nokia's Ovi Store, Microsoft's Marketplace scrambling to verify this in view, the system provider Google has launched its own store Android Market, or even three largest mobile operators are also jealous piece of cake, have introduced online store to occupy the site, if that cell phone   manufacturers now have the courage to ignore the online store this one, then it really is a defiance of world opinion. And we may be more optimistic estimate, perhaps in the future cell phone   manufacturers no longer profitable to sell cell phone  s as the main point, but mainly to profit by selling mobile applications, of course, this is still relatively far away. It is the water proofness of outdoor installation of cell phone jammer.

Sunday, June 17, 2012

Look at the people on earth know that Apple's cell phone

Be an old cell phone   integration topic, the cell phone  since its birth, in trying to mergers and other digital products. MP3, digital camera, GPS and so on are all being under the command of its incorporation. Of course, designers often design some concept is particularly simple machine, and now many cell phone  functions with a single integrated product comparison, then this feature, function or there is a gap. But no doubt that, at this era of emphasis on efficiency, to achieve something with a function, it definitely would not want to use two things to achieve. So in the final analysis, not to say that cell phone   integration is wrong, but that it integrated well enough. As long as the process level up, and completely replace other digital products is also very possible. It is lightning protection of outdoor installation of cell phone jammer.
And the integration there is a huge advantage, and that is the interconnection between services. For example, you took pictures with cell phone  , then the way through the cell phone 's GPS location in the photo is very easy to manage, which is a single camera and GPS can not be done. And now there have been many new cell phone  s integrated direction control of certain appliances such as adding some features (Sony Ericsson Aino control PSP), and more recently released Samsung micro projector cell phone  , without any kind of competition for the jobs of the projector. So no doubt, to integrate this established policy will continue to carry out that decision. In order to make the smart cell phone  has enough computing power to run a large number of consumers hungry applications and functions, cell phone   manufacturers are more high-performance processors for the performance of a desperate attitude. The development of mobile processors, in addition to frequency enhancement, structural changes may be the real trend. It is the water proofness and lightning protection of outdoor installation of cell phone jammer.
In short, a single processor clock speed increase is caused by quantitative processing, the processor will cause changes in primary structure of its processing power of qualitative change. We can see the processor evolution on a computer, most manufacturers also began to pursue processor speeds continue to increase, although the chip's energy efficiency and performance continued to improve, the progress of each generation chip is shrinking. Bound by the power, product development and physical constraints, such as computer processor manufacturers Intel and AMD multicore chip toward the direction of early development, cell phone   chip factory is also good advice now, the bulk of the major chip announced that its multi-core chips have product development programs. Quad-core computers have already appeared, quad-core cell phone   be far behind? This standardization can in fact be more accurate point that the cell phone   operating system standardization. So why the need to standardize it? May wish to take an example of today's hottest Android. Open-source Android allows manufacturers to customize it by adding their own UI and other manufacturers of personal things. How to perform the water proofness and lightning protection of outdoor installation of cell phone jammer?
This is in fact two of the Android big drawbacks: First Android users of the product awareness is low, that white people think Hero is good, just remember the beautiful Sense UI easy to use, it lacks the intuitive feel of Android . HTC Hero and even put a milestone, but not the line of people fear it is difficult to think of this cell phone  is equipped with both a platform for it. Another major flaw is the customized system when the upgrade will be very troublesome to wait for the vendor released a customized upgrade package. While software developers, many versions of the Android software development but also allow them to become confused, a lot of duplication of development will reduce the development of their enthusiasm. Saipan, WM are planted in the top of this, Android does not want to be a good solution as soon as possible, it is likely to further their footsteps. Apple is doing relative to the considerable forward-looking, the use of a standardized system, Apple's awareness is high, look at the people on earth know that Apple's cell phone . How to make the water proofness and lightning protection of outdoor installation of cell phone jammer achieve the good result?
Upgraded version of the iCell phone  and the downward compatibility is quite good, the development of a software developer, you can also run on the 3G iCell phone , which can save developers a lot of effort to develop more excellent products. Of course, this model and Apple's hardware to software detached from his arranged have a great relationship, but the future of cell phone   operating system you want to develop faster and better, no doubt he is a standardized only way. Microsoft's new Window Cell phone 7 has forced manufacturers implement uniform standards, and does not support customization, which can be seen as the biggest industry on the recognition of standardization. Conclusion: The previous trend in fact has a deep interconnection, I believe that reading should be carefully noted. Stores such as software development, we must rely on highly standardized, you can see, Apple's software is selling well because of the standard uniform, several generations of icell phone  can use the same piece of software, and replaced if Symbian or Android, is more complicated to implement the. After all, my knowledge is limited, there is not right, and hope that the reader may be excused, after all, this is just Imagination fills. Measures of water-proofness and lightning protection have to be taken for cell phone jammer if installing cell phone jammer outdoor.

Friday, June 15, 2012

The installation box of cell phone jammer is with shutter-type ventilation positions at two sides

According to the "2011 China Mobile Application Advertising Platform Study", advertising platform for Chinese mobile applications market situation in depth. Report research data shows that in 2011 the total China advertising platform mobile application revenue of $ 3.1 billion, an increase of 342.9%. Following the interception points of detailed interpretation of the report: According to the analysis that refers to the mobile application advertising promotions of advertisers or brand messages delivered to cell phone   applications on the advertising. Applications operating companies advertising advertising SDK plug-in by mobile applications built on to achieve massive advertising delivery and management, while enabling developers to users of its advertising revenue cash flow. It is suggested that cell phone jammer equips with the specific installation box.
Based on the properties of different advertisers, advertising can be divided into effects of mobile applications, advertising and brand advertising. The former refers to the flow of purchase, the actual product sales for the purpose of advertising to promote the business. Effect of the Internet and advertisers more for mobile Internet; the latter refers to the brand marketing and promotion for the purpose of advertising, mainstream brand advertising includes automobiles, real estate classes, securities, FMCG categories such as advertising content. Cell phone  s and other mobile media and traditional print media, Internet media, compared with the position, portable, privacy, online and other long-term advantages. Relative to the WAP advertising, mobile advertising, SMS categories of traditional forms of advertising in the precise matching of mobile applications, interactive, it is also further improved. The development of advertising media continue to evolve with the host, from early traditional media to online media, to around 2000, China Mobile, the introduction of DoCoMo's iMode model, build and open the mobile value-added Monternet and WAP media age, advertising and further from the plane, desktop to mobile time evolution. The installation box body of cell phone jammer is metallic.
Different from the former two single bearer form, the different applications based on mobile terminals with different characteristics and presentation of the media, in advertising, based on the WAP site, advertising operators to further develop SMS / interactive marketing, advertising, multimedia / mobile newspaper ad . As the mobile Internet era and the large touch-screen mobile terminal popular operating system developed based on various types of mobile applications (App) for mobile ad new carrier. Benefit the whole mobile industry, the rapid development of Internet and mobile terminals update iteration, the mobile application industry, advertising is treated as a new blue ocean, the Nuggets have great opportunities and strategic significance. Advertising platform for mobile applications based on different operating side, the country has been divided into the mobile application store platform built-in platform, third-party platforms and optimize mobile advertising platform. The installation box of cell phone jammer is with shutter-type ventilation positions at two sides.
Built-in advertising platform mobile application store: Most applications store advertising services provided by the operating system provider, in the industrial chain, with greater control of power and discourse. Advantage of advertising services it provides both the pipeline characteristics, has a mass and direct App resources, have put wisdom and accurate monitoring of advertising conditions. Currently mobile application store in general, the acquisition or outsourcing to provide advertising services. Domestic like China Telecom Tianyi space platform, machine front net. Third-party advertising platform mobile applications: third-party platform is the industry involved in the main, to participate in diversity. In addition to new vertical category of mobile Internet business, the traditional ad networks, mobile ad networks, wireless value-added service providers, are also involved in the market, relying on their own platform to enhance the competitive advantage. Ad optimization platform mobile applications: optimizing class mobile application tool or platform is part of the advertising industry chain segments. The ventilation positions of installation box of cell phone jammer is for improving heat dissipation.
Its focus on mobile advertising performance optimization and fill rate improved to address the advertising request is invalid, the smart switch to achieve advertising platform to enhance the application and effectiveness of advertising revenue. Provided on behalf of the domestic advertising platform optimized together with fruit and so on. Mobile advertising industry chain, the application is divided into four subjects: advertisers, advertising platform mobile applications, mobile applications, users. The chain can be divided into three clues: advertising: advertisers made advertising needs, the application will be advertising to the advertising platform covered by the application platform. Data flow: user browsing, click on the ad data back to the advertising platform database, the latter back to the advertisers. Cash flow: programs in the media, advertisers and advertising platform for running costs and billing agreement between the model, the platform by a certain percentage with the developer to share. In the process, the sharing ratio and the price is generally platform and advertisers to determine the signing of the agreement. From the flow direction: advertisers pay for advertising platform; paid advertising platform to developers. The antenna of cell phone jammer coming out of the open on the top.

Thursday, June 14, 2012

Cell phone jammer has no harm to the human health

From 2004 Nokia N-Gage QD just to start N-Gage QD issued to start the beginning, to now using the N-Gage QD, E60, N73, E71 four phones, the average down time per phone to use only one year more basin can be considered some of the Prodigal. Nearly two years with the company's business conduct and direction of change in the basin from a purely user gradual transition to a designer's role in this process after another also has some insights, finishing for the accumulation and pictures . Electromagnetic field strength of cell phone jammer is far lower than the national standard.
Note: Due to personal experience with focus on client symbian phone system, the article describes the symbian based phone system to be installed at least need to install client application on the phone first, the current client software into the mobile phone is generally done in several ways: through a variety of ways to download to your computer via Bluetooth, infrared, data cable, card reader, etc. copied to the phone; here to mention an additional, Guangdong Mobile has a software called Mobile Express, there is no support in the manner described above in the case directly Send to mobile phone network, provided that the client need to install their mobile phone, this part of the flow is now free, is taking the cmnet, cmwap outside the special apn: gdmob.gd. cell phone jammer has no harm to the human health.
Issued via SMS download address, mobile phone users to access the link directly downloaded for wap site, users access the wap site and select the appropriate version to download a small installation package, you can speed up the download, installation speed, and when using mobile phones to download effective in reducing the flow of user fees, charges in the current flow is not cheap China cell phone today, this optimization is still a certain value. symbian system is the software installation prompt pop-up text, where you can use some of the most important client, special considerations, such as the most attractive elements of the user with the text displayed, user-friendly before use there will be some impression. This prompted two things to note: the first is not too much, usually once is enough, because they require users are prompted to confirm, repeatedly interrupting the user's installation may result in the user interrupts the installation; second for the pursuit of installed capacity client, may not be more appropriate, more or step installed will reduce the success rate of the user. Electromagnetic field strength of cell phone jammer has no harm to the human health.
s60 third edition introduced a signature mechanism, on the one hand a certain extent, an increase of security, on the other hand, is actually a means of profit. Official signature need $ 200 each, and if not a formal signature will be prompted to safety information. This step is prompted with a warning, will further reduce the proportion of the user's installation. symbian system can be installed from the start, such as google map, the bulk of mobile phone use after installation, are all the way from the start. The benefits of these methods is the first time after installation does not require users to find the installation location and direct access, to avoid because the user failed to find the product caused by customer churn. cell phone jammer is easy to operate.
However, after installation in some way since the start of the rogue acts of users have the feeling, especially after the installation and automatically take the user network traffic and so on. If you believe the attractiveness of their products can be enough to offset the negative impact of these offensive, then installed from the start after all, a good choice. Client did not start too many elements, is basically a combination of three scenarios: some of the following based on their knowledge about some of the personal views of the basin usually too busy to do specific things and less summary, over time, some have the lessons learned may also gradually forgotten, the text is put into effective means to retain these gains. cell phone jammer will automatically run after collectively installing antenna and switching on the power.

Wednesday, June 13, 2012

Cell phone jammer has the ultra-long-time continuous working

Started in some of the more simple or fast mobile client, the interface may omit start, but as a mobile client user has been to develop a habit of the first interface, the general will still use the boot interface. Note: Even at the start screen, it should also give users the choice of exit, the so-called exits, to avoid abnormal result because the boot has to remain at this interface the user can not handle. In the symbian system, under normal circumstances would be used to set the start button on the right soft key to exit the method, but in order to withdraw or cancel the general appearance of the text prompt will not appear in the start interface. cell phone jammer uses the industrial control power supply.
Start interface will normally be the case using the following categories: information access and data exchange during startup log, authentication, network data acquisition, a large number of local information needs more time to read, etc., in order to prevent users from passive waiting, provides users certain value of the start screen, to reduce the user waiting for the passage of time and care level. Introduction and help start the process to the user should pay attention to user information, such as display symbian user authentication information to enhance the sense of trust, showing key features of the mobile client to form an initial impression of the user prior to use, display help information. Shows the advantage of symbian authentication information for the understanding of the users will increase trust and identity, but because quite a lot of users do not understand what is s60, what are the benefits of certification and what certification, so individuals or basin can be considered non-essential Do not show this information to avoid the startup that allows users to have a doubt. cell phone jammer has the completely stainless body radiating.
When users encounter when using the product successive unknown, the user will have a clear sense of frustration, in general, continue to explore and use the interest will be substantially reduced. Note: If the basin of the information obtained is correct, on behalf of the following figure shows start after symbian certification, relatively speaking, have credibility, and under normal circumstances would prompt the user what the program will use resources, such as the prompt use of phone features, text messaging features and other information. Marketing and promotion of the interface is due to start in the majority of mobile phone users to use the client must go through the stages in this interface to add marketing and promotional information theory will be very high visibility and reach; of course, because here is the start interface, so not suitable for interactive display of some pure class marketing and promotional information, if it is an interactive class, rather than on other occasions for the interface to boot. cell phone jammer has the ultra-long-time continuous working.
Holidays, special dates to remind such use is more common in the phone qq; this method are the details of the user experience to achieve the required dynamic access to data, due to start is a common mobile client uses the first interface, it is generally required in advance to download or download next startup; If you use this method, consider learning mobile qq production with the brand characteristics of the holiday, special holiday start interface to enhance the potential influence and strengthen the brand brand. Copyright and stressed the considerable number of mobile phone brand client interface at startup specializes in copyright and emphasize brand awareness and influence to serve the purpose of the user unconscious. cell phone jammer has the slow-starting circuit design.
Logo is basically an essential element to facilitate the user to emphasize brand and enhance the user's familiarity of the logo, and if there are a number of products, users see a logo that is what know what company or person produced. Progress of any more access to information related to the startup screen is basically a progress bar will appear, the progress bar is a known user and the user can reduce the anxiety of waiting a very effective program. Progress of the selection should be based on the familiar basis of some of the progress bar, to avoid free play of the progress bar but not the progress bar is used to express the meaning of the situation. Sparking of cell phone jammer when starting can be effectively avoided.

Tuesday, June 12, 2012

Reflow oven machining will be performed for cell phone jammer

Progress of the selection, individual basins have the following recommendations: difficult to estimate the progress or the progress of the loading bar can not be estimated, the progress bar can be used to form loops, but should speed up the scrolling speed, scrolling speed faster user will form a wrong impression to some extent that the product or product will soon start soon. Here is a simple example (photoshop is limited and does not require appearance, requires only make clear), can be considered in such a way or other revolving nature of the progress bar, scroll speed faster recommended. Can estimate the progress of the loading bar, including the ability to accurately estimate the progress bar (in this case is more difficult), suggested the form of the first show back soon. cell phone jammer selects Hitachi integrated circuit of high performance.
Example, sixty percent or 70 before the speed is faster to complete, the user will start to form a false impression that rapid progress because progress quickly while more than half, because the user has spent a certain price, and not from the successful far, and thus more willing to wait. Message as part of the mobile client to start an optional step, under normal circumstances would appear in the following scene: login, registration, access to information and other abnormal conditions in the boot process, if for some reason failed to enter the main interface, then the appropriate message should pop up, which should be absolutely clear message inform the user exception and inform the user may clear the relative causes and provide recommendations. Performance of Hitachi integrated circuit of cell phone jammer is high.
Many mobile client will detect the new version at startup, and set to prompt the user when a new version. Release detection and prompt when it is put in a startup situation can be adjusted according to actual. Note that under normal circumstances there will be a mandatory upgrade upgrade (that is, not the upgrade can not continue to use) and non-mandatory upgrade (do not upgrade you can use, but there may be loss of function or other defects) two. This situation is more common in kjava mobile client, due to the virtual machine and system limitations in the use of certain features such as network access capabilities will pop up a prompt asking whether to allow. Here on the rights recognized kjava a noteworthy detail, due to the network login may only access, but will be used in the use of other privileges: for example, reads the user information, etc., then it will have two practices. 902M VCO and surface mounted devices are adopted forcell phone jammer.
The first is used when the user is prompted to confirm, the second is when it starts in advance even if there was no use also prompts the user for confirmation, to prevent multiple users need to follow-up confirmation. A better approach here is based on whether you can confirm in a variety of permissions to complete the confirmation, if you can confirm in the start time, if not then follow up with specific permissions to confirm. Principle is to minimize the number of times the user to confirm, in order to avoid interruption to user actions. In this part of the mobile client starts talking about the main interface, because there are some over the phone will start the client interface, suggesting that information directly into the main interface. One is to enter the main interface for all functions immediately available, such as mentioned above, some of the purely local programs and the need less information, or faster, this is normal behavior. cell phone jammer adopts imported automatic surface mount system.
Another is to start across the interface, message interface after entering the main interface to let users see the appearance, while the explicit or implicit log in, registration, certification, data acquisition and other operations. If the memory is not wrong, then the bulk of mobile phone is a relatively typical example. Such programs give the impression that start quickly, but if you enter the main interface can be used after the first time will need to wait longer to bring a poor user experience. Think more suitable to enter the basin after the wizard-style mobile phone client, in which case you can immediately show the user interface can be controlled, but also multi-step wizard process to a similar login, registration, certification, leaving implicit processing time. Reflow oven machining will be performed for cell phone jammer.

Monday, June 11, 2012

Bureau has high requirement on environment-friendly property of cell phone jammer

To calculate the margin or safety factor M noise power spectral density ratio. To calculate the margin or safety factor M, the required Eb/N0 required and actual Eb/N0 (or receive Eb/N0) of the difference between the former called (Eb/N0) reqd, which is called (Eb/N0) r.RF-818A cell phone jammer is a safety information product designed and developed for internal use. The latter is called (point P is the system error performance of the required operating point shown in Figure 1.9. point PB = 10-3, the required error performance of the system operating point is assumed that (10dB can get the required performance can get the required performance is assumed (Eb/N0) reqd = 10dB can get the required performance. demodulator can make the system just to receive 10dB? good this can be 10dB? should be designed with a safety margin of the system, the actual received (should be designed with a safety margin of the system, the actual received (Eb/N0) r greater than (Eb/N0) reqd. design the system operating point in Figure 1.9 should be another point when designing the system operating point should be another point in Figure 1. RF-818A cell phone jammer is a safety information product designed for internal use.(Eb/N0) r = 12dB, PB = 10 - 5. 12dB, this case can link margin of safety margin, or to provide a power of 2 that the P in this case or the safety margin can be expressed as a link margin of PB to provide a power of 2 increase; or can provide more than the required E dB improvement; or that can be used to provide the required Eb/N0 larger than 2dB link margin of Eb/N0 to describe. above link margin. 2007-08 Mobile Communications, Southeast University State Key Laboratory of modern mobile communication technology 37 Figure 1.9 are two important Eb/N0 value of two important E 2007-08 Southeast University, State Key Laboratory of Mobile Communications 38 modern mobile communication technology two Eb/N0 1.4 link budget analysis link margin is the value (link margin is (Eb/N0) r and (Eb/N0) reqd difference (dB) of the difference (dB) (1.22) 1.22) parameters (parameters (Eb/N0) reqd reflects the difference between the different system design; RF-818A cell phone jammer is a safety information product developed for internal use.these differences may be caused by reflection of the differences between the different system design; at different modulation or coding caused. in the different modulation or coding caused. link margin M-link margin M (1.23) 1.23) namely, the link margin equation namely, the link margin equation. link margin equation. 2007-08 Southeast University, State Key Laboratory of Mobile Communications 39 1.4 Chain of modern mobile communication technology Road link budget analysis margin two Eb/N0 value equation includes all the parameters affecting the probability of link errors. link margin equation includes all the parameters affecting the probability of link errors in these parameters in these parameters: some parameters defined in the Eb/N0 input of the receiver, more specifically, is defined in the inspection defined in the receiver input, more specifically, detector (check previous point) input. detector (check previous point) the input.Security Bureau has high requirement on environment-friendly property of cell phone jammer. used to describe the energy or power to receive the parameters used to describe the parameters of receiving energy or power, whether it is useful or harmful, are defined in the inspection before the point of harmful, are defined in the previous inspection point receiver quality factor G defined in the input of the receiving antenna, receiver quality factor Gr / To define the input of the receiving antenna,

Sunday, June 10, 2012

The signal stabilizing technology of cell phone

Step1: First remove the antenna on the wireless router. Step2: come up with SMA cable, wireless router and the signal amplifier (TO Radio). Step3: the other end of the signal amplifier (TO Antenna) connected to the high-gain antenna. Equipment installation icon five amplifiers and connected to a laptop icon installation steps: Step1: First remove the antenna on the wireless network card. Step2: come up with SMA cable to connect the wireless card and the signal amplifier (TO Radio). Step3: the other end of the signal amplifier (TO Antenna) connected to the antenna. Wireless signal amplifier set it.This cell phone jammer could restrict cell phone signals within the area with 25-30m radius and 200m from the transmitting station. RF-200 bi-directional amplifier based 2.4G WLAN 802.11b / g wifi signal booster wireless signal amplifier set it. Outdoor long-distance outdoor wireless network power amplifiers used in wireless signal amplifier Taiwan 2.4G 2000MW wireless network icon in the signal amplifier applications easy to note the drawbacks and impact on human health. From a technical point of view that, if you want to get stronger wireless signal, then the radio emission source of power should be large enough. Wireless routers usually have about 50 mW, 100 mW for the enterprise; and now in the streets of Taobao and selling wireless network equipment rub device power reached 500 mW power larger devices such as the inevitable long-term use in the side book a certain amount of risk.RF-818A cell phone jammer is internally installed the signal stabilizing technology. Even the home router choose a high-gain antenna, its radiation will increase accordingly, there are children or pregnant women for the area or do not apply this enhanced signal equipment is better. Easily lead to radio signals interfere with each other, as far as possible away from noise sources. Susceptible radio signal jammers affect the specificity of wireless antenna around the block to avoid the direct object is required to maintain the surrounding open space, in order to achieve the best reception. Pay attention to lightning. Users to install their own antenna to the amplifier and the antenna cable length should not exceed between 50cm. Q a  communication at both ends of the antenna was placed very close to the transmission rate, but may instead go up? The signal stabilizing technology of cell phone jammer is leading in the industry.Communication at both ends of the antenna was placed very close to the available transmission rate, but instead go up? This is because the relatively strong transmit power amplifier, the receiver too close to your device (network card / router) signal distortion caused by saturation. Maintained at both ends of the communication distance of more than 50cm there will be no problem.  amplifier should be installed on the wireless router or wireless network card? Amplifier should be installed on the wireless router or wireless network card? Can be installed, install a wireless router allows all wireless users to establish a connection with the signal has been strengthened; installed in the wireless LAN card can only make the signal is enhanced.  Why is the addition of the amplifier is still not receive cable? Why the addition of the amplifier is still not receive cable? Each other's network to install an amplifier can increase the distance covered by the open 1 to 2 times.This technology of cell phone jammer guarantees changeless blocking distance. If you want to set up a wireless link to the two terminals far away, when the user is in the two terminals are installed and the installation of amplifiers and high gain directional antenna.  transmit power amplifier is bigger is better? Transmit power amplifier is bigger is better?

Friday, June 8, 2012

The aluminium textured outer shell of cell phone jammer

Not exactly, the increase of transmit power and receiver sensitivity to be increased (noise reduction coefficient) match; because the WiFi network is a two-way communication, power increases to a certain extent, the receiver sensitivity as a short board, not to improve communication effectiveness . Only communicate with each other two terminals are installed amplifiers when transmitting power higher the better. This technology of cell phone jammer avoids the recession of blocking distance.Like two people are needed to improve long-range loudspeaker volume must be the same. Why every answer two questions a few walls, the signal decreased a lot? Why every a few walls, the signal weakened a lot? A wall of 10-30cm thick brick wall on the 2.4GHz signal attenuation about 10-20dB, the signal of the floor of the block has more than 30dB attenuation, recommended that the antenna be installed in the location of a small obstacle. Why sometimes the signal will be worse?  Why sometimes the signal will be worse? 2.4G ISM band is a very busy band, Bluetooth, wireless camera, Baby Monitor, and microwave ovens all use this frequency band. Recommended amplifier antenna away from the location of these wireless devices. Work can also be switched router channels to try, as far as possible away from noise sources.The aluminium textured outer shell of cell phone jammer is excellent in thermal diffusivity. Amplifier does not shine red light? Shielded cable is not connected, or the card - there is no communication between the router there is no communication between routers.  shielded cable is not connected or no communication between the router card. Users to install their own antennas to pay attention to what issues? Note that the cable between the amplifier and the antenna length should not exceed 50cm, amplifiers and routing / length of cable between the card should not exceed 2m. 1m long shielded cable for signal attenuation of about 1.8dB, so the cable as short as possible. Slow flashing red light, but can not communicate?  Slow flashing red light, but can not communicate?

Shenzhen Jinli Spectrum Information Technology Co., Ltd. was established beginning with the development of proprietary products as the goal of information security, information security and to participate in building the Great Wall of China's unremitting efforts to continuously develop new technologies and new products.People selected and put the high-performance patch component to use in cell phone jammer. Company products include network security network security isolation card, network hubs, network switches, isolation gateway, mobile phone signal jammers, biometric fingerprint systems. New product design ideas, performance, stability, and has become China's leading information security products, the majority of users. Jinli spectrum is the early development of production networks and other network security separation card physically isolated products business, the most complete product line of professional manufacturers. Network security separation card number in the country over 20 provinces (municipalities) the official number of units used, the network physical isolation over many years of professional product development, production and sales experience.High-performance integrated circuit has been used in this cell phone jammer. Have an adherence to the "stable and reliable, real security," the spirit of professional technical team, perfect quality assurance system based isolation card, a brief description of J630 is our third generation of isolation card, with a smart chip on the card boot conventional isolation and network selection network switching technology for breakthrough improvement, an increase of switching to save interface functions, stable performance, easy to use and quick.

Thursday, June 7, 2012

Cell phone jammer has the feature of small volume and light weight

Market share of domestic brand mobile phone business continued to decline in 2005, the domestic brand mobile phones original progressive loss of competitive advantage, increased fatigue. The main reason is in the channel, price and familiar with local market conditions and other original competitive advantage increasingly weakened, capital, technology and other aspects of defects has become China's domestic brand mobile phone companies restricting the further development of the main factors, mainly in the industrial expansion too fast, The new mobile phone market is slow, the product quality problems are more decline in corporate profits or even losses and so on. Because these causes of domestic brand mobile phone business continued to decline in the domestic market share by the end of 2004 decreased 44.5% to 40.6%.cell phone jammer can work after switching on.
From the top three domestic brands, in 2003 its total domestic sales accounted for 31.6% domestic market share in 2004 dropped to 22.5% in 2005, dropped to 17.5%. Production of more concentrated. China's mobile phone industry to further expand the scale of production to the advantage of enterprises are concentrated. 2004 production of ten companies accounted for 72.9% of the whole industry sales accounted for 72.8%. In 2005 production of more concentrated. Of calculation by representing the top ten manufacturing companies, the industry-wide sales were 78.7%, 78.4%. Domestic brands entered the mobile phone customized mobile phone market. 2005, Guangdong Mobile to TCL Q515 cell phone purchase, be the first selected Guangdong Mobile is one of five custom models, while TCL's another model 758 has moved into Guangdong custom product repository. China Mobile to purchase Bird S198, S610, V69 and other variety of mobile phones. Training ofcell phone jammer specific to personnel is unnecessary.
Custom-made brand into the mobile phone portfolio of products for foreign brands to break the custom models of the monopoly of China Mobile, China-made cell phone at the same time that some quality has made substantial progress, reached the international standard of quality. 2005 Skyworth Mobile, Guohong Communications, Daxian Pantech, Malata four phone new army announced that it will purchase, service, development, production, sales, and many other alliances, sharing of all resources, to achieve lower costs and increase profits. By way of an alliance can be integrated with upstream suppliers of raw materials, reduce procurement costs, and after-sales services, the establishment of a joint service points to take to improve their service network, reduce sales costs. cell phone jammer has the feature of small volume and light weight.
Competition in the domestic mobile phone market is still intense. On the one hand, raw materials, energy, labor costs, structural and other mobile phase to excess domestic mobile phone market prices continue to decline, corporate profit margins are being squeezed; foreign-invested enterprises continue to increase low-end market development efforts, will further compression of domestic brand mobile phone market space, domestic brand mobile phone manufacturers difficult. As mobile communications has introduced new services, mobile phone capabilities growing, ever-changing shell, prompting the manufacturer has introduced new varieties to meet market demand, the update cycle to further reduce mobile phone, does not appear a few years ago, by a mobile phone companies to bail out the situation. cell phone jammer is of the easy operation and convenient installation.
Since the state strictly controls the size of bank credit, bank loans to enterprises control more strict and cautious, especially for the mobile phone industry, due to lack of funds, so that some of the business capital chain a problem, had to withdraw from the mobile phone industry. Following the standard TD-SCDMA network technology, the company successfully developed Vimicro mobile phone chip "Starlight Mobile II", the chip in the 3G era of mobile music, mobile animation process has made a breakthrough. Communication with the East, Southeast University, co-developed by mobile phone chip Noah3000 calls and data services, including transmission, including system testing, the structure indicates that the chip performance indicators are achieved WCDMA international standards. No damage will be done bycell phone jammer to the cell phone.

Wednesday, June 6, 2012

No personally specific maintenance is needed for cell phone jammer

This indicates that China already has developed the world's three major mobile communications standards in all core technologies. With 2004 sales of operators involved in the terminal area after the introduction of customized mobile phones in 2005, the largest professional mobile channel direct supply manufacturers in the telecommunications field and following the buyout business, the introduction of a single product targeted custom cell phone, mobile phone channels involved in price pricing, and distribution of this mode of production and marketing chain of changes, can brand and price advantages, better promote the market demand. cell phone jammercan make the mobile phone unable to send or receive the signal only when it enters the shielding area.
In 2006 China's mobile phone industry faces opportunities and challenges. Approval system for the mobile phone industry has brought a new opportunity and challenge. In February 2005, National Development and Reform Commission promulgated the "mobile communication system and terminal investment projects approved by a number of provisions" policy, indicates that China has implemented a mobile phone license approval system for many years the end. Approval of the new year, a total of 20 mobile phone companies (excluding the former mobile phone companies to increase variety), makes some economic strength, R & D ability of enterprises to enter the mobile communications field, although the entry of these enterprises makes the market more competitive, but strength of domestic brands to enter the domestic brand mobile phones also enhanced the overall competitiveness. Normal function can recover once leaving the shielding area ofcell phone jammer.
Mobile Business of the transition from 2G to 3G transfer of domestic brand mobile phone companies will bring new opportunities. In 2006 the state will actively and pragmatically promote the third generation mobile communication (3G) development, 3G network construction, the mobile communications industry will usher in a period of several years of rapid development; while the new 3G era will undergo profound changes in the rules of the game , at various aspects of the industry chain will be more complex and diverse. Terminal manufacturers and mobile operators, equipment vendors, content providers, financial service providers, wireless access providers and other groups will be more closely linked, as mobile phone manufacturers in terms of its core competencies will be an important indicator of increased that the relevant upstream and downstream integration of resources, domestic brand mobile phones in this area will have a greater advantage. cell phone jammer has the automatic operation function.
Changes in mobile phone sales channels for enterprises to bring new opportunities and challenges. With the 3G era, the sales model will undergo profound changes. China Mobile and China Unicom to promote new business, to strengthen its position in the whole industrial chain, strengthen the link and end-users, operators respond to the future impact of new entrants, will be more involved in mobile marketing. And with the issuance of 3G licenses, new mobile operators faced with the rapid development of the user's pressure, it will take China Unicom's C network similar to the initial strategy, through a terminal or network to send mobile phone subsidies and other preferential treatment to the development of the user. The size of the mobile operators will be purchasing and bundling a rapid evolution as an important way of selling. No personally specific maintenance is needed for cell phone jammer.
Domestic brand mobile phone manufacturers still face weak capacity of independent innovation, supply chain imperfect, international market development and other issues is not strong in exports also face international multinational corporations in intellectual property litigation and other uncertainties. In 2006 China's mobile phone industry will face both opportunities and challenges of the development environment, while deepening economic globalization, global accelerated restructuring, accelerate manufacturing capacity in developed countries to developing countries, help China better participation in the international division of labor and cooperation, according to IDC estimates the United States in 2006, global mobile phone market will grow by 5%, which will further boost the growth of China's mobile phone exports. cell phone jammer adopts the base station design.

Tuesday, June 5, 2012

Cell phone jammer has the ability of continuously working

The other hand, China's national economy in 2006 will continue to maintain steady and rapid growth, the accelerated process of urbanization in China and people's incomes increase, accelerate the upgrading of consumption structure, the mobile phone industry provides a good market demand environment, people for mobile phones remain strong consumer demand. Phone features and design are constantly changing, the phone will speed up the replacement cycle, and promote further growth in the market. At the same time, new communications technology, will continue to enrich the content of mobile applications, will attract more mobile phone users, both urban and rural areas in this mature market, this emerging market, will have a faster growth. cell phone jammer is of high reliability.
2006, domestic new mobile users will continue to maintain the level of around 48 million, with the increasing variety of mobile phones, feature enhancements, and prices continued to fall further, the phone will continue to improve the update rate, expected rate of 2006, the domestic mobile phone will be updated in 2005 30-40% to 40-50%. Therefore, China's mobile phone industry will continue to maintain rapid, healthy and coordinated development, the country in 2006 is expected to yield 340 million mobile phones, which exports 250 million. Since 2005, the MP3 and MP4 mobile phone handset form of music attracted many consumers interested in music phones as manufacturers focus on the promotion of products, the rapid development of music-phone market, sales in 2005 reached 10.26 million in 2010 sales will reach 45.38 million. cell phone jammer adopts the base station design with high reliability.
Nokia, Motorola, Sony Ericsson and Samsung occupies a leading position in domestic mobile phone began to include sound, storage capacity, and layout design to work hard and strive to shake off the impression to follow suit. The average sound level music phone is equivalent to the level of mid-range MP3, with most stereo headphones and speakers to enhance sound quality MP3 phones, equalizer, selections and repeat playback on mobile phones have been in the music. Supports MP3, WMA, AAC and other formats into future trends, lyrics and music synchronization direction of development. Music phone built-in storage capacity generally about 32MB-64MB, although MP3 players than the much smaller storage capacity, but storage capacity is gradually expanding, the end of 2005, there have been even higher capacity 256MB of MP3 mobile phones, and many with expansion card interface. cell phone jammer has the ability of automatically working under various situations.
Chip power consumption and battery capacity expansion significantly increased the standby time, personalized look and interface design has become one of the key vendors promote. High-quality, large storage capacity, long standby, music phones have become personal development. However, different manufacturers based on their strengths, focus is different, such as: Samsung music phone is a significant design features into a slim folding design and concept. Four major telecom operators main business income growth, profitability also increased steadily, Annual Report 2005 more than 2004 beautiful results. Recently in Hong Kong-listed four major telecom operators has announced the annual report as a whole, the overall development of the telecom operation environment for the better case, the four major telecom operators main business income growth, profitability has improved steadily, Annual Report 2005 more than 2004 beautiful performance, while telecom operators are also within the differentiation between the increasingly prominent. cell phone jammer has the ability of continuously working.
2005 annual report of the four major telecom operators the ideal, to achieve a positive operating income growth, net profit in addition to a slight decline of China Telecom, the other three telecom operators have double-digit net profit growth, with China Netcom The most prominent annual report, China Mobile, China Unicom annual performance, followed by China Telecom Annual Report is not ideal. From the earnings per share, in addition to China Telecom, the other three major telecom operators have a more substantial earnings per share increase (see the specific circumstances of Schedule 1), return on equity are also more than 6%. Meanwhile, in order to attract investors, the four operators have launched a good cash bonus program. cell phone jammer can automatically and continuously work under different situations.

Monday, June 4, 2012

Shut off the power supply switch of the host of cell phone jammer

Disadvantages: The main advantages / disadvantages: large deformation, high shielding effectiveness, allowing the sliding contact / high price spiral magnetic sealing gasket from the beryllium copper or stainless steel strip rolled into a coil, a high shielding effectiveness (in all electromagnetic gasket highest shielding effectiveness). Main advantages / disadvantages: low price, high shielding effectiveness / by excessive compression, easy Disadvantages: damaged. Conductive fabric conductive fabric wrapped on a foam rubber core form, usually rectangular, with the adhesive, installation is very convenient. High-frequency shielding effectiveness are high.If it is unnecessary to block the cell phone signal, shut off the power supply switch of the host ofcell phone jammer.  Disadvantages: The main advantages / disadvantages: low price, easy to damage of excessive compression, soft, with some environmental seal / frequent friction can damage the conductive surface. (2) the main parameters of electromagnetic gasket related to the overall shielding effectiveness) shielding effectiveness (related to the overall relationship to the overall shielding effectiveness of conductive shielding effectiveness: conductivity: the conductivity of the better cushioning material, electromagnetic sealing the better. Need Note that the conductivity considered here refers not only to the DC resistance, but also the RF impedance, for example, the DC resistance of the wire is small, but significant RF impedance is so low-frequency wire mesh gasket shielding effectiveness is high, For the emission power of cell phone jammer has been adjusted before delivery, the customer doesn’t need to adjust after purchasing.The high-frequency shielding effectiveness of low resilience (stiffness related to the cover and screw spacing) resilience (stiffness related to the cover and screw spacing) per unit length (or area) liner compression force applied on the pad produced amount of compression. resilient liner larger panel of rigid requirements better, otherwise it will effect in the pads of resilient deformation occurs, resulting in a larger gap, therefore, shielded chassis design, pay attention to bear on the cover Solid screw spacing should be appropriate to cover the liner to prevent the elastic deformation under the effect, resulting in a greater gap. Minimum sealing pressure (related to the minimum amount of compression) Minimum sealing pressure (related to the minimum amount of compression) EMI gasket must deformation in order to have enough to provide adequate shielding effectiveness, therefore, must ensure that there is sufficient pressure on the pad.The blocking range of cell phone jammer has something to do with the installation position and height. pressure is too small, not only the shielding effectiveness is low, and shielding effectiveness is very sensitive to pressure, resulting in instability in shielding effectiveness of the chassis. pressure Assembly resulting in liner damage. the liner with the expected shielding effectiveness as the minimum pressure required to seal the pressure minimum for the actual use of the liner, the largest gap at the pressure applied to the gasket sealing pressure is greater than the minimum Maximum deformation (related to the maximum compression) maximum deformation (related to the maximum compression) compression deformation (related to the switching frequency allows the lid) compression deformation (related to the switching frequency allows the cover) if the gap is frequently open on / off, then the compression set of indicators is critical.The antenna direction can influence shielding range of cell phone jammer. electrochemical compatibility (related to the stability of the shielding effectiveness) electrochemical compatibility (related to the stability of the shielding effectiveness) of different metal-metal contact surface potential due differences exist in the electrolyte environment, the electrochemical reaction occurs, the resulting chloride is a semiconductor, which will reduce the conductivity of the junction, and will cause additional interference, so shielding gasket materials and substrate materials there must be certain on the electrochemical compatibility, otherwise it will quickly corrode.

Sunday, June 3, 2012

The antenna direction of cell phone jammer

Electromagnetic gasket sealing gasket installation method to use electromagnetic positive compression and sliding compression two. varnish sealed as far as the environment tank installation: the role of tank liner and fixed limit excessive compression. a tank installed as far as possible: a high shielding effectiveness. groove shape and size: the shape and size of tank: the shape of a straight installation of slot slot and two dovetail slots species, straight groove simple, but easy to fall out of the liner. dovetail groove is not the problem. width to ensure there is enough space to allow gasket is compressed when the stretch.The shielding radius of cell phone jammer is also independent on distance away from the base station, buildings around and so on. liner fixed: Fixed liner: conductive adhesive then, but it has two drawbacks: one is to increase the cost, the other is the conductive adhesive will happen down the shielding effectiveness caused by aging. with non-conductive adhesive, fastening screws in place through a small drop so, stick Although the non-conductive plastic place, but played a conductive contact with the metal screws role and shielding effectiveness is relatively stable. to prevent electrochemical corrosion method: to prevent electrochemical corrosion method: one side in contact with the external environment, sealed with non-conductive material, to prevent the electrolyte into contact with conductive pad with a combination of the shield surface. sliding contact: sliding contact: Reed allowed only finger sliding contact. Install reed, the reed to pay attention to the direction, so that by the compression force, the freedom to stretch.The needed shielding range of cell phone jammercan be met by selecting the appropriate installation position and height. In general, the reed can glue back then, but pay attention to curing time (see reed manufacturer's instructions). more harsh environments (temperature too high or too low, the mechanical force is too large, etc.), available card loaded structure the position of the screw: screw position: Under normal circumstances, screws installed in the liner inside or outside is not very important, but demanding applications in shielding, screw the outside of the liner to be installed, to prevent the screws penetrate the shielding box, causing additional leaks. fastening screw spacing: fastening screw spacing: spacing should be appropriate to cover the liner to prevent the elastic deformation under the effect, resulting in a greater gap. flanges as thick, to prevent deformation.

Completely shielded electric guitar electric guitar a thorough transformation of the shielding, interference noise can be reduced to a minimum, greatly improved signal to noise ratio.The antenna direction of cell phone jammercan be adjusted to get the needed shielding range of cell phone jammer. It is noteworthy that the methods described in this article applies not only to hand piano maker, guitar on most of the finished product is also effective. If you disassemble different grades had different brands of guitar, will find that although the screen is very simple in principle, but each vendor's approach and emphasis there is a huge difference. Shielding only the most basic access to most of the original ground network, requiring higher can paste in the inner cover foil. Most brands only in its high-end models use a cavity wall shielding paint tank, metal shield cover and other more stringent program. Basic skills required for welding circuit unless you very confident, and on the guitar have a basic understanding of the circuit, it is best to find professionals or mentioned in this article the operation.If the needed shielding range is very big, it can be realized by installing several cell phone jammer.
If you want to learn some guitar circuit knowledge, you can refer to our articles, or look at our forthcoming "Guitar circuit full resolution" and "Guitar Repair and Tuning Guide."

Saturday, June 2, 2012

Adjusting the emission power of cell phone jammer

Tools needed to block the use of pencils and notebooks of material heat-shrinkable tube insulation tape marker dry strip wallpaper knife or scissors, strippers soldering iron (25-40w) wrench pliers and other small solder the copper foil with a gum shield for the overall volume thorough shielding, you need to removed or welded open most of the guitar parts. Suggest that you record in detail the process of dismantling the original connection of each method, tape and labels to record the location of solder joints and the connection thread, so will not have trouble reconnecting. If not hundreds of times on the circuit, it must be very detailed, because the standard error or not the subject of a thread in the assembly will cause great trouble. If the blocking range of the single cell phone jammer is bigger than the needed shielding range, it can be realized by adjusting the emission power of cell phone jammer. All shielding must be connected to ground to function. Access to ground the shield there are several methods, the use of copper foil, you can directly wire welding, if the potentiometer is in direct contact with copper foil on the cover, it can not also be soldered to ground. Shielding paint is shielded circuit cavity, pickup mounting slots, holes and other cavities a good choice because it is easy to spread on small parts, and just make the simple use of copper deficiency. To Strat type guitars shielding is very simple. Paste the circuit copper cavity wall directly into the guitar near the bottom of the front guard screw hole on the tone knob, so after install shield protection shield plate on the back of the circuit can be connected to the cavity of the shield. Another way is to use copper foil folded into a fillet of waste wood screwed to the circuit with a cavity wall, and then solder a wire to connect the feet and the potentiometer enclosure. cell phone jammer has passed the strict testing of Testing Center for Quality of Security & Police Electronic Product under the Ministry of Public Security of P.R. China.Single-coil pickups shield described in this part of the operation method is not recommended for a commemorative or other valuable pickup on. At the same time as these operations are more sophisticated, best left to professionals to complete. This approach may also lose some high-frequency characteristics, so need to think clearly. Through the single-coil pickups and output lines of the shield coil can eliminate a large part of the interference noise. The output line screen also lets you change the pickup phase, and does not impact on the shielding network. The pickup cavity from the protection circuit board or removed, a note of which side of the output line is hot, which of the ground. Note Do not broken after coil leads soldered to the substrate on the two spools of fine bare copper wire. Carefully open the pickup shell, exposing the coil or coil protection zone.cell phone jammer has passed the strict testing of Safety Product Testing Certification Center of PLA. If the pickup shell is pasted on the bottom-line axis, then quickly get in touch professionals it. If you have successfully removed a coil, it should be wrapped with black tape around outsiders online. Tape from the spool at the beginning of the two fillet wrapped, and tied back to stay here, should be 1 / 2 "overlap tape and then wrap the outer layer of copper foil, copper foil should overlap at the foot welded 1 / 4" , and the beginning of the copper foil 1 / 2 "adhesive protectors do not tear up. wrapped around this good after two laps.

Wednesday, May 30, 2012

The PCB board of the adapter of cell phone jammer

Conductive pads can be used to make the appropriate size of the gap size within the prescribed limit, in order to achieve this attenuation effect. Shielding design difficult because the shield joints turn will lead to a decline in efficiency will be reduced so shielded. Note below the cutoff frequency of the radiation attenuation depends only on its diameter than the length of the gap, such as length to diameter ratio of 3 available 100dB attenuation. Perforation in need, you can use thick shield above the waveguide properties of the hole; another to achieve a high length to diameter ratio method is to attach a small metal shielding material, such as an appropriately-sized pad. Here is the switching-on inspection of the adapter of cell phone jammer.The principle and in the promotion of multi-joint case constitutes a porous shield design basis. Porous thin shielding layer: porous many examples, such as thin sheet metal air vents, and so on, when the closer spacing of the holes when the design must be carefully considered. The following shielding efficiency of such cases the formula SE = [20lg (fc / o / σ)]-10lg n which fc / o: cut-off frequency n: number of holes note that this formula applies only to the hole spacing is less than the diameter of the case can also be used to calculate the relevant metal braid shielding efficiency. Joints and contacts: welding, brazing or soldering is thin between the common way of permanently fixed, occupies a position of metal surfaces must be clean, to make the joints completely filled with a conductive metal. The components inside the adapter of cell phone jammer should be the same as those inside the sample.Not recommended for fixed with screws or rivets, fasteners because of the low resistance junction between the contact state is not easily sustainable. Conductive pads is to reduce the slot seams or joints, holes or gaps, so that RF radiation is not distributed out. EMI gasket is a conductive medium, used to fill gaps within the shield and to provide a continuous low impedance contacts. EMI gasket are usually between two conductors can provide a flexible connection, so that the current spread on a conductor to another conductor. EMI gasket sealing the choice can refer to the following performance parameters: The shielding efficiency of a particular frequency range Adhesion method and seal strength Compatibility with the current housing and the corrosion resistance of the external environment.  The tin-coating of the component inside the adapter of cell phone jammer is good without dry joint and build-up.Operating temperature range Cost of most commercial pads have sufficient shielding to enable equipment to meet EMC standards, the key is properly within the shield design of the gasket. Gasket system: a key factor to consider is compressed, the compression gasket in between the liner and high conductivity. Gasket between the liner and the poor will reduce the conductive shielding efficiency, the other joints occur if the less a slit-shaped groove formed by the antenna, the radiation wavelength smaller than the gap length of about 4 times. Ensure continuity gasket surface first to ensure a smooth, clean, and by the need to address in order to have good electrical conductivity, these surfaces must be covered before the engagement; other cushioning material such shielding gasket bonding with continuing good also very important. The PCB board of the adapter of cell phone jammer has no short circuit, open circuit and the copper sheet has no tilting.Compressibility characteristics of conductive pads can make up any irregularities in the gasket. All pads have a minimum contact resistance and effective work, designers can increase the compression strength of the cushioning pads to reduce the number of the contact resistance, of course, this will increase the sealing strength, the shield will become more curved.

Sunday, May 27, 2012

The silicon steel sheet of the adapter of cell phone jammer

Most of the original thickness of the liner in the compressed 30% to 70% better results. Therefore, the proposed minimum contact surface within the concave point between the two opposite pressure should be sufficient to ensure that the gasket between the liner and has a good electrical conductivity. On the other hand, the pressure on the pad should not be so large that the liner is non-normal compression state, because at this time will result in contact with liner failure, and may produce electromagnetic leakage. The coil wrapping of the adapter of cell phone jammer has no oxidization, looseness and tilting.Separation requirements and gasket compression control for the gasket manufacturer's recommended range is very important, this design needs to ensure the gasket with sufficient hardness to avoid large bend between the washer fasteners. In some cases, may require additional fasteners to prevent the shell structure of some bending. Compression is also turning an important feature of the junction, such as location of the door or flapper. If the liner easily compressed, then the shielding performance with each rotation of the door down, then liner power required to achieve higher compression the same with the new gasket shielding performance. In most cases this is unlikely to do so requires a long-term EMI solution.The silicon steel sheet of the adapter of cell phone jammer has no oxidization, looseness and tilting. If the gasket by a shield or coated with a conductive layer made of plastic, then add an EMI gasket will not have too many problems, but the designer must consider many in the conductive pads on the surface, there will be wear and tear, usually metal liner coating the surface easier to wear. Grow over time this will reduce the wear liner junction of shielding effectiveness, and to the back of trouble makers. If the shield or gasket is a metal structure, then spray a polishing pad material can be added prior to the gasket surface of the wrap, just use conductive film and tape can be. If the bonding pads on both sides are using tape, you can use the firmware on the EMI gasket for mechanical fastening, such as with plastic rivets or pressure-sensitive adhesives (PSA), "C-type" liner. Here is the electrical performance of the adapter of cell phone jammer.Pad mounted on the side of the gasket to complete the EMI shielding. Liner and accessories currently available are very much shielding and cushioning products, including beryllium - copper fittings, metal cable (with or without elastic inner core), the metal mesh embedded in the rubber and directional lines, conductive rubber, and has a metal coating polyurethane foam pad and so on. Most manufacturers can provide shielding material liner to achieve a variety of estimates of the SE, but remember that SE is a relative value, but also on the porosity, pad size, pad compression ratio, and material composition. There are a variety of pad shapes, can be used for a variety of specific applications, including wear, sliding and hinged occasions. Many pads with adhesive or liner above, there fixtures, such as extrusion insert, insert or barbed pin devices. Various types of pads, the coating foam pad is the latest and most versatile products on the market one. Here is the high voltage testing of the adapter of cell phone jammer.Such pads can be made into a variety of shapes, thickness greater than 0.5mm, the thickness can be reduced to meet the UL seal combustion and environmental standards. There is another new type of liner that environment / EMI gaskets mix, with it can no longer use a separate sealing material, thereby reducing the cost and complexity of the shield.

Sunday, May 13, 2012

The hole at the bottom of installation box of cell phone jammer

The installation box of  cell phone jammer  is with shutter-type ventilation positions at two sides.
The method can be used to determine the point of failure in the battery or in part of the circuit. The specific method is: first battery is fully charged, then the batteries on a false load power supply current is controlled at about 300mA, time for about 5 minutes. If the battery is normal, then the terminal voltage should not drop. More rigorous methods to measure the capacity of the battery, but more time-consuming. Note: According to the nominal voltage of the battery, the dummy load is available 3V, 4.5V, 6V bulb or external series resistance of a power. Measurement line connected to the battery reed only by mechanical crimping and not welded, so as not to damage the battery or accident. The law is a kind of emergency in the home appliance repair. The hole at the bottom of installation box of  cell phone jammer  can prevent from water accumulation.
Its precondition is not a major impact on the whole electrical indicators, and not endanger the safety of equipment (such as: switching power supply jumpers maintenance). For the maintenance of mobile phones, available thin high strength enameled wire (Φ0.1) jumper 0Ω resistor or a unit, with the 100pF capacitor connected across RF or IFSAW filter. Most GSM mobile phone with a certain degree of self-test and fault diagnosis function, which is helpful for rapid fault location to a particular unit. In using the law to require that the phone starts up normally, but the maintenance must also know how to enter the diagnostic mode. The latter requirement needs related to mobile phone repair service at hand.  cell phone jammer  will adopt outdoor installation.
Overview of products and companies. August 16, 2011, millet phone was officially released, domestic media for the first time come into contact with this so-called "China's mobile phone enthusiasts to create" smart phones. Dual-core 1.5GHz, 1GB of RAM, 4GB ROM, 1930mAh lithium battery, the Android 2.3.5 system and engineering Commemorative Edition 1699 yuan, 1999 yuan, the retail version, these parameters again and again to refresh the existing smart phone hardware standards, but also the day of conference time to a climax. The millet mobile phone the most attention is the hardware configuration and price, the phone again to refresh our minds of the hardware the height of the domestic and even world's most powerful dual-core Android phone, millet. The lightning protection measure of  cell phone jammer  is actually adding the lightning rod to  cell phone jammer .
Millet phones using the Qualcomm MSM8260 1.5GHz dual-core processor, similar to the HTC G14, the CPU, but a higher frequency. Terms of memory with 1GB RAM and 4GB of ROM, and fully meet the needs of the application. The screen used in Sharp's 4-inch screen, the material is estimated ASV, a 16:9 854x480 resolution, namely FWVGA. This screen uses a transflective reflector structure, sunlight can also be clearly seen. The camera is 8 million pixels. Millet (full name of Beijing millet limited liability company) set up by former Google, Microsoft, Jinshan, the company's top players, is a company focused on the new generation of iPhone, Android and other smartphone software development and hot mobile Internet business operations. The lightning rod has to be used for  cell phone jammer .

Tuesday, May 8, 2012

The phone is an authentic communication tools

As a communication tool, mobile phone for a maximum of meaning and value of natural or used to call, and this is the most direct call quality, stability indicators naturally become the focus of attention of the people on the phone. The phone is a what? This seemingly simple question but it is now the fundamental problems of the mobile phone market, a proper understanding of the consumer for the answer to this question will help manufacturers for market certainty. Through this survey, we recognize that the phone is no longer a fashion weather vane, the vendor is no need to think hard and all the appearance of the phone; phone is an increasingly popular product, but the mobile phone consumer is gradually become more rational, "Only the price of" will lose the market. Where the tranquility is required so cell phone jammer   is used.
Today, the phone is an authentic communication tools; tomorrow, it will be the application terminal of the Internet age, so consumers must be more concerned about call quality, call the stability of quality indicators as well as text messaging, wireless Internet access function indicators. The phone survey was divided into two types of GSM and CDMA, and GSM class is divided into third gear 1500 - 3000 yuan and 3000 yuan, 1500 yuan. 5077 valid questionnaires and participating SMS processing, and finally selected a fine phone, and 4 star phone. The above selection results are a true test of the June Chongqing region mobile consumer behavior trends, once again demonstrated the Chongqing mobile phone market is gradually to become more rational.  cell phone jammer  can be used to keep the tranquility of the library.
Selected results from the point of view, despite the fine phones because consumers awarded the honor of their different preferences, but the common point is that they are all the major brands pushing the boutique as well as classic. Although the price is high or low, launched successively, but the classic charm has always been so that consumers can not resist, popular in the market for three years, Nokia 8250, winning more people to exclaim "classic" victory. 8 boutique mobile phone outside the well-known brands accounted for 7, 4 star phone full of well-known international brand, from the point of view of the specific score, score of 7 foreign brand quality cell phone in the quality of a generally higher of the foreign brand to victory the first place.  cell phone jammer   can keep the quiet study environment.
"Only the price of" failure in terms of price, to further verify the waveguide Q268, Motorola E365, Sony Ericsson T618 and Samsung V208 in the winner of the respective prices stalls are proving once again that the price is not all, each a boutique phones The interpretation of the rational pursuit of the consumers cost-effective. In appearance, the selection of the results fully reflect the inclusive characteristics of Chongqing mobile phone market, a fine phone, candy bar, flip each half, but their common feature is a simple, smooth, light and generous, are the same cost-effective products in the most simple form. In terms of functionality, the survey results to give full expression. It is also the same for the customer to utilize   cell phone jammers in the theater and cinema.