Long Time Working 12 Bands Cell Phone Signal Jammer can jam the wireless normal signals including WiFi GPS VHF UHF LoJack and all cell phone signal such as GSM800, 900, 1800, 2G, 3G, 4G alone or together at the same time. Firstly, Advanced design and improved for times for this Long Time Working 12 Bands Cell Phone Signal Jammer can be used to cut off all the 2G 3G 4G mobile phone signals and also Bluetooth WiFi GPS VHF UHF LoJack signals at the same time.
Long Time Working 12 Antennas Cell Phone Signal Jammer owns the adjustable buttons so that the users can also easily decide the jamming distance by adjust the power of each band independently.
24/7 nonstop working can be easily be satisfied by this Long Time Working 12 Antennas Cell Phone Signal Jammer since high quality cooling system has been used on it. 

Application:
Meeting Room, Oil and Gas Storage Facilities and fields, Hospitals, Theatres, Recording Studios, Banks, Contract Tendering Rooms, Churches, Conference Rooms, Classrooms, Testing Facilities, Security Services, Military Units, Secret Services, News Conference Rooms, Libraries, Museums, Prisons, Courts, Border Patrol and Drug Enforcement, Customs, House.

Important Notes for Jamming Distance: The jamming distances we mentioned on website are for customer's reference only. The actual jamming distance will be varied depending on the signal strength and the use location and if full charges, etc.

Important Notes for Portable Jammers with No Cooling Fan: Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free reparation.