portable mobile wifi gps lojack jammer

Profitably, a wifi jammer users can adjust output equipment, closed circuit, or selectively shielding precise mask, can operation for a long time, do not affect other communications, shielding all domestic mobile phone signal. Suitable for shielding inspection room, meeting room, factory workshop, court, interrogation room, church, etc. Suitable for shielding inspection room, meeting room, factory workshop, court, interrogation room, church, etc. – PowerPoint PPT presentation