... Unicom), EVDO (China Telecom). Achieve the transmission of video through wireless network.2.Support GPS-global positioning.3.Support ... network module. Achieve the transmission of video through wireless network. Clear video screen, dual streaming designUsing the improved ... RTSP, RTP, UPNPAudio CompressionAMR PCMU PCMA G726 ADPCMVideo/AudioOne video in/out. Two channels audio in, support both-way ...