Cigarette Mini Cellphone Jammer

Remarks:

V The working time of the battery: About 1hr
V All the RF frequency only block the downlink band
V It is very easy to put this jammer into the cigarette box for high hiding.
V Shielding Radius: 2-5m ( determined by the signal strength in given place )
V Partial applications: Vehicle, Meeting Room, Theatres, Recording Studios, Churches, Conference Rooms, Classrooms, Testing Facilities, Secret Services, News Conference Rooms, Libraries, Museums, House^. And any private use.