8 Bands Wall-mounted Directional Cell Phone 2G 3G 4G & WIFI & Walkie-Talkie Signal Jammer for School 1. Product Specification * available TX frequency ...
6 Bands Desktop Cell Phone 2G 3G & WIFI & Walkie-Talkie Signal Jammer for Tender / Bid 1. Product Specification * available TX frequency which can be ...
4 Bands Classic 30dBm Desktop Cell Phone 2G 3G & WIFI Signal Jammer for Tender / Bid 1. Product Specification * available TX frequency which can be .....
Selective Jammer Prison Communication Control System EST-808SJ 1. System Generation Background Introduction Prisons are important part of the national ...
OEM Cell Phone Signal Jammer with Built-in Antennas & LCD Screen for School / Conference Room 1. Product Specification * available TX frequency which ...