It can be applied at meeting room, conference room, museum, gallery, theatre,concert hall, church, temple, restaurant, classroom, training center, factory, bank, train, bus, etc that need have no mobile phone signal. For some locations of special purpose such as hospital, gas station, etc., please do field test first to make sure no interference happened to the normal operation of their equipment and instrument..*.It�� easy to install and operate the device

Power supply: AC adapter (AC220V-DC5V)
Shielding Radius: (20-50)m@��75dBm
Rules of installation: UL (E190582) CSA (LR 112971 Level 3)
Dimension: (width, height, length) 190*50*170mm
Contents:
1. Cellular phone jammer 1pcs
2. AC/DC adapter 1pcs
3. The manual 1pcs
4.Steel frame of installation 1pcs
5.Remote control 1pcs
6.Antenna 4pcs
Working time: After works for 12 hour ,Need close five minutes,,Again open machine. Prevents too hotly