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300W High Power VHF UHF NMT CDMA Single Jammer (Waterproof & shockproof design, it is specially customized to accommodate a fully integrated broad band jamming system which provides the ultimate solution for Military and Police convoys or VIP protection. At a Glance 6 modules are controlled separately and also can work simultaneously. Each module with antenna can be used as a single jammer. The pelican case is portable (can be carried like a suitcase). Can be fixed in car and temporary occasion. Frequency band is optional. With excellent heat dispersion. Specification: 6 Bands Walky-talky (VHF): Walky-talky (UHF/300MHz)/135-155MHz Walky-talky (UHF/350MHz)/155-175MHz Walky-talky (UHF/400MHz)/300-350MHz Walky-talky (UHF/450MHz)/350-400MHz Cellular NMT/400-440MHz Cellular CDMA 450/440-480MHz Total Output Power:300W Control:Each bands can work independently Housing Waterproof & shockproof design suitable indoor or outdoor use Size:56*46*27 cm Total System Weight:Approx 60 kg (with omni directional antennaS.) Humidity:Up to 80% Operation Temperature:-20 ...+50 Centigrade degree Antenna Type:6pcs External( 2-3dBi ) omnidirectional ( Standard ) Shielding Range 300 to 500m ( signal strength <=75dbm.) Accessoreis: Power cable Antennas User manual