* Small indoor phone signal jammer for Meeting Conference Room
Customized for different country and specific need
2G 3G 4G 5G GPS WIFI2.4G WIFI5.8G Shield Signal
* Medium size phone signal jammer for Temple Church Museum Library Concert Theater
Those places need quietness some for religion reason
* Outdooer large fixed phone signal jammer system for Police Prison Military base station Government
Large coverage for a whole system