As a cell phone jammer,this adjustable blocker can jam GSM,3G,4G frequencies so it is very appropriate to keep it in the school examination room,court,meeting room etc that need to be quiet or solemn.Besides,GPS,WIF frequencies can be configurable in the jammer and if you want ,you can choose other combinations.With a white aluminum shell,the jammer has a high heat dissipation so that it can work for a long time continuously.
Radius up to 30 meters (depending on the signal strength in the given area)
Can work for a long time continuously
White aluminum shell against overheating
Fully adjustability to all 5 antennas
Frequencies Supported: - CDMA & GSM: 870-960MHz
- DCS & PHS: 1805-1990MHz
- 3G : 2110-2155MHz
- WiFi: 2400-2500MHz
- GPS: 1570-1580MHz
-4G LTE:725-770 MHz
Please note that the jammer is only available to jam up to 5 defferent frequencies mentioned above at the same time.
Operating Range: radius up to 30 meters
Power supply: AC power adapter
Dimensions (without antennas): L:250 x W:106 X D:33 (mm)