People could customize cell phone jammer with all kinds of frequency

People could customize  cell phone jammer  with all kinds of frequency
With the rapid development of mobile communications, mobile phones have become an essential communication tool, mobile phones to bring convenient, fast and it has also a very high frequency and radio frequency radiation, which is we all know, and this kinds of radiation, how much harm, and we may not all know. People could customize  cell phone jammer  with all kinds of frequency according to their requirements.
 Also a clean school, a Ning also meeting the net.
Features ※ ※
1, the band shielded GSM/CDMA/DCS/PHS/3G Rd
2, the use of brushed aluminum casing, panel, or screen printing according to customer needs OEM logo (free printing services)
3, the transmission power 4W, 1W each antenna
4, the effective shielding distance of 1-20 m adjustable (factory according to customer requirements debugging)
5, no harm to human

※ ※ suitable place
1, entrance, adult college entrance examination, self-examination and various universities
2, party and government organs, enterprises kinds and sizes meeting rooms, concert halls, theaters
3, detention centers, labor camp, prison sizes
4, gas stations, oil depots, oil, filling stations and other flammable places
The  cell phone jammer  company could also manufacture original equipment products.EST-808HB-type hand-held cell phone signal jammers (also known as portable cell phone jammer / off device / suppressor / cut / isolators / meeting information security machine) is that I plant using advanced technology from abroad, mainly for home and abroad for special needs of security and confidentiality of the small field sites, such as private owners, confidential office, negotiation room, the flow of vehicles, movement of political and business dignitaries such as site security, mobile communications according to the actual situation at home and abroad well-developed high-tech products , it can range in radius of 0.5 to 15 m (usually about 5-100 square meters) within the block GSM/CDMA/DCS/PHS/3G cell phone signal, so that the region can play and receive cell phone, and will not interfere with environment other electronic equipment. Away from the screen when the phone range, you can resume normal use. Give you a safe, but also a rather net.