Features 
★The latest 8 antennas portable Jammer,Have good Jamming for all mobile phone 2G,3G,4G signal and WI-FI2.4G/GPSL1 bands.
★Total output power: 5.5W  Jamming range up to 20m
★Use External Omni-directional antennas,all the TX frequency covered down link only 
★The latest design and Good cooling system with cooling fan inside 
★Could be chargered in car with DC12V
★Can turn on or off any single band without influencing the other bands operation 
★ Built-in Battery:4000mA/h,Charge full time within 4Hours,Working time:1-2Hours.

Application

GPS tracking device, Private offices, Vehicles, Oil and Gas Storage Facilities and Fields, Hospitals, Theaters, Recording Studios, Banks, Tendering Rooms, Churches, Conference Rooms, Classrooms, Testing Facilities, Security Services, 
Military, Secret Services, Libraries, Museums, Prisons, Courts, Border Patrol 
And Drug Enforcement, Customs, House, Small meeting Room, etc.

Frequency Range