Cell phone signal blocker device

There are many kinds of mobile phone signal jammer devices, for example handheld, desktop, and transmitter model.

Our BJ-10 10 antennas mobile phone signal jammer equipment with portable and light feature, blocker range 1-10m, application home ,

car and small meeting room.

The working principle of the mobile phone signal shielding device is that some other bands of signals issued

by the mobile phone signal shielding device search and interfere with the mobile phone communication signal,

so that the mobile phone can not normally connect with the communication base station.

It can not receive or send information and make calls normally.