The modified radiation and RF radiation generated by mobile phone can cause damage in hospital and gas station. In hospital, it will affect the pace maker and EKG recorder. The cell phone jammers can generate the magnetic shielding in a certain range. The mobile phone can’t receive the signal. And people can’t make or receive a call in the ceratain range. The mobile phone is compulsively prohibited. The security in the special places is guanranteed. 

Easy operation and installation
The cell jammer can effectively block the microwave signal between the transmitting station and mobile phone. The jammer can small in size and light in weight. It’s easy to operate and convenient to install. The jammer can work as the antenna is connected and power is on. The user can master the installation method after reading the instructions. The jammer can be installed on the wall and ceiling board as to the security protection needs.
The full bands coverage and optional blocking area 

The GSM, CDMA mobile phone and PHS can also be blocked. And it can only block the downlink frequency of the base station signal. The uplink frequency will not be disturbed. The surrounded base station can function normally. 200 meters away from the base station, you can choose different models of 15-50 meter radius. The coverage can be expanded as the directive aerial is added.
The mobile phone will not be affected
The mobile jammer can only make the mobile phone can’t send or receive the telecommunication signal when the mobile phone enters into the blocking area. As it’s away from the blocking area, it can return to normal operation.
Automatic operation without special maintenance
There is high reliability with the jammer. It can work continuously for long time in different environment.

Green device and no damage to people

The jammer is of low power and low power-consuming. It does no harm to the electronic devices.
Quick response
Generally, the mobile signals can be blocked as the machine is switched on for fifteen seconds. It can reach the blocking effect for different mobiles. Several seconds later, as the jammer is switched off, you can use the mobile phone normally again.
The optional antennas
For some jammers, the customers can choose the different directional antennas as to different needs. The standard antenna is configured when delivery. It can satisfy the general needs and different site conditions. The best blocking effect can be gained