... a safe, confidential, reliable, and high-speed mobile video transmission systemUHF wireless digital transmitter. receiver ... of the barrier, while placed on the vehicle, for mobile transmission, audio, video,and ... compression 3. Compound packet,video,audio, GPS, Vehicle Speed ,PTZ and alarm in and outVideo input ... the D1 quality), support for real-time monitoring, control, playback, PTZ control and video. ...