It is suggested that more cell phone jammers should be added

5 Maintenance of cell phone jammer

5.1 The cell phone jammer is the maintenance-free equipment with no need for maintenance.

5.2 When wiping and cleaning the surface of cell phone jammer, the chemical solvent is forbidden and water should be avoided entering the machine.

5.3 The cell phone jammer should be kept in the dry and ventilated place when it is not used to avoid contacting the salt frog and harmful gas for a long time.

5.4 The warranty period of the cell phone jammer is one year with free repair in three years and forever maintenance.

6 Questions and answers

Q: Why do some cell phone signal indicators still show signal indication when the cell phone jammer works?

A: It is just a kind of false image. Actually, the cell phone can not communicate right now. When you press the dial button, you will find that there will be no signal indication on the signal indicator.

Q: Will the cell phone jammer interfere with the normal work of other electronic equipments?

A: No, it will not. Because the electromagnetic signal sent by the cell phone jammer is totally within the working frequency range of the cell phone specified by the nation. It will only block the mobile communication. And this kind of signal is always in the relatively static

Q: Is the cell phone jammer harmful to the human body and cell phone?

A: The electromagnetic signal strength sent by the cell phone jammer is very weak. The testing data shows that this kind of signal strength will not do harm to the human body at all. At the same time, the cell phone jammer only blocks the uplink signal so that the cell phone cannot connect with the base station. Therefore, it will do no harm to the cell phone itself.

Q: Is there any difference when using the cell phone jammer indoors or outdoors?

A: Yes, there is. The effective shielding distance (30-40m) of the cell phone jammer normally means the indoor distance. In the open place outdoors, the effective shielding distance can reach several meters. The effective shielding distance has something to do with the environmental conditions whether it is used indoors or outdoors, such as the distance from the base station, installation position and so on. Therefore, when using the cell phone jammer, this factor should be full considered to avoid forming the shielding dead zone and then influencing the shielding effect.

Q: Is the shielding effect the cell phone jammer generates for GSM cell phone and CDMA cell phone the same?

A: It is a good question. The anti-interference performance of the CDMA cell phone is much better than that of the GSM cell phone. Therefore, the effective shielding distance the cell phone jammer generates for the CDMA cell phone is smaller than that for the GSM cell phone with the small difference of 2-4m. However, it is suggested that more cell phone jammers should be added when necessary for some very important locations to ensure the shielding effect for the CDMA cell phone.

Q: The housing will burn after the cell phone jammer works for a while. Will the long-time working damage the machine?

A: It is the normal phenomenon. In the design, we use the heat conductivity of the aluminum-alloy heat conducting strip to assist with heat dissipation to ensure the long-time stable work. Therefore, burning of the housing will not damage the machine.