... , while placed on the vehicle, for mobile transmission, audio, video,and GPS data can be separate connect to the 3G DVS.UHF ... CBR compression 3. Compound packet,video,audio, GPS, Vehicle Speed ,PTZ and alarm in and outVideo input : 4 channel CVBS(PAL/NTSC),BNC ... , Emergency buttonBoard : WCDMA,CDMA 2000,TD-SCDMA 3G modules and GPS modules, plug and play with 3G SIM card, Relay Server will automatically ...