... D1, support 3G Network:EVDO( CDMA2000),WCDMAVideo Input 1/2/4 channel composite video, PAL or NTSC BNC interface,1.0Vp ... CompressionG.726, G711, ADPCMAudio Input1/2/4 channel, RCA port, liner input, Impedance:1KOhmsAudio Output1channel,RCA port, linear outputAudio ... Windows Mobile, Symbian , Android and iPhone platformsAlarm Input 4 channel on/off input, supporting NO (normally open) or NC (normally ...