... Antenna Telescopic Mast, Vehicle Roof-mount Antenna Telescopic Mast For Communication and transmission and command car Model:YZ2-TX for TV ... controllerit is suitable for vehicle roof-mounted, CCTV ,command vehicle, communication transmissionit is transportable and weatherproof. it suitable for all day ... -510-87905610 Antenna Pneumatic Folding Telescopic Mast For CCTV and Communication