Sell High Power Cell phone Jammer for Prison use

Every band frequency can select output power
Power supply: *0.*0Hz/AC**0 ~ **0V transmitting to DC *8V.

The JYT-HJ*4 was developed specially for prisons and other large sensitive locations such as military or governmental compounds. This high power system has been approved and installed by Prison Authorities in very large prison facilities in several Countries world wide.

System Advantages
• Each unit can jam up to five frequency bands simultaneously.
• Continuous operation, even in hot climates, with no time limit.
• Secure design to avoid sabotage.
• (VSWR) circuit protection to ensure system will not burn out should there be antenna short circuiting or disconnection
• Adjustable RF power output level.
• Antenna type options 

JYT-HJ*4 Optional Features
• Selection of antennas to provide more flexibility regarding jamming coverage.
Special additional housing for all weather protection.
• Can use the UPS and battery