Here will show the bulk shielding of mobile phone jammer

Here will show the bulk shielding of mobile phone jammer in a building.
Strengthen the operational management and improvement of communication facilities, to improve the level of communication services, and introduced a variety of quality services for users to create a more convenient and efficient information and communication environment. In 1997, the Japanese government amended the Telecommunications Act allows NTT Group to develop their business in the international communications market. NTT Group is now "Arcstar brand, has introduced a number of international value-added services. Hitachi (HITACHI) - 1910, Hitachi established Hitachi City, Ibaraki Prefecture, Japan. Initial stage of the manufacture of electrical machinery, and now has developed into various fields of electricity, electrical, information, home appliances, electronics, instrumentation, automotive accessories, etc. world-renowned multinational companies. It is the offset distribution of mobile phone jammer at sides of the hallway in a building.
Matsushita (Panasonic) - Matsushita Electric Industrial Group was created in 1918 by Konosuke Matsushita, has developed into the 152,000 workers in Japan and overseas, including China, including 2.4 million, a total of 123,000 workers. Matsushita Electric Group is the joint settlement of enterprises with 11 related companies in Japan there are 300 enterprises in 44 countries and regions worldwide, including 40 enterprises in China, including 220 enterprises engaged in business activities. Sony (Sony) - in May 1946, Sony founder Masaru Ibuka and Akio Morita, co-founded Tokyo Tsushin Kogyo Co., Ltd. in 1958 after changed its name to Sony Corporation, headquartered in Tokyo, Japan. When applying the bulk shielding of mobile phone jammer in the common office or dormitory.
Since its creation, Sony has been pioneering and innovative "free and open-minded," as the company's business philosophy, the first in the world to develop a number of innovative electronic products. Currently, Sony has become one of the world leader in the field of consumer electronics, industrial electronics and entertainment. Toshiba (TOSHIBA) - Businesses involved in these two aspects of the energy and electronics, including semiconductor, LCD, home appliances and computers, medical equipment, power generation, with complete sets of equipment and so on. Toshiba global markets except Japan is divided into four regions: Europe, America, Asia, China, China is the only market to states. Nippon Electric Corporation (NEC) - was established in 1899. Apply the installations of mobile phone jammer at the same side.Here will introduce the shielding effect of a kind of UHF mobile phone jammer
Was a joint venture with the United States, Western Electric (WE Company), is Japan's first joint venture. Headquartered in Tokyo, Japan. The business fields of IT solutions, network solutions, semiconductor and electronic devices. PC market in Japan, NEC is one of the manufacturers that occupy large market share.