... You can receive and see the video/pictures from center and other portable 3G video server.10.Built-in lithium battery power ... wireless network module. Achieve the transmission of video through wireless network. Clear video screen, dual streaming designUsing the improved high ... RTSP, RTP, UPNPAudio CompressionAMR PCMU PCMA G726 ADPCMVideo/AudioOne video in/out. Two channels audio in, support both-way ...