In this video we will review the TANGREAT High Power Cellular Phone Jammer. This sophisticated high power desktop cellular phone jammer has been test in a government laboratory before I tested the device at my residence. Features: •It can provide 24/7/365 jamming even in a constant cooling system. •Remote control available to ON/OFF the jammer. •Output power adjustable design makes the jammer more user-friendly. •10Watt high output power makes a more efficient jamming. •Shielding range can be up to 50M. •Up to four frequency bands, including all the cellular phone bands, with GPS or Bluetooth optional. 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 www.tangreat.com www.tangreat.com