All kinds of examination room, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, military power and other places prohibit the use of mobile phones. http://www.perfectjammer.com/all-gsm-3g-jammers-blockers.html
This jamming device size is very small, easy to carry. Can interfere with 6 bands, jamming all mobile phone signals http://www.perfectjammer.com/wireless-wifi-bluetooth-jammers.html
The 8 bands Jammers has a very large range of block, can jamming a variety of frequency bands. It is very convenient jamming equipment http://www.perfectjammer.com/all-cell-phone-jammers-blockers.html
The telephone is almost everywhere,but it brings us convenience at the same time, but also bring us many troubles. After all, not all mobile phone users know when to stop talking. At this time we need to use the cell phone jammers, to protect a quiet environment. For example, in churches, libraries and other places. http://www.perfectjammer.com/all-cell-phone-jammers-blockers.html