Cell phone jammer in the use of very simple, only need to install the corresponding antenna, turn on the switch can shield mobile phone signals corresponding to it.
In Canada, we care about the issues discussed aspects of the signal, mobile phone jammer are very small areas and purposes.
What mobile phone jammer in the examination room is the real meaning? That is to make cheating candidates signal disappears, so that everyone fair exam.
I want to prevent my next person to use his nasty wireless monitoring devices. Is there any way? Have you ever used the Wifi Jammer, this thing can be bought here.
Knowledge: GPS signal is referred to U.S. commercial GPS. The GPS jammer is such a signal shielding devices, can be used in vehicle tracking and so on.