... KD-DS101CTWired,1 channel, CIFKD-DS101CT-WWireless,1 channel, CIFKD-DS101DTWired,1 channel, D1KD-DS101DT-WWireless,1 channel, D1KD-DS101DT-3G1 channel, D1, ... 3G Network:EVDO( CDMA2000),WCDMAVideo Input 1/2/4 channel composite video, PAL or NTSC BNC interface,1.0Vp-p,impedance ... compound video, PAL or NTSC; BNC, level: 1.0Vp-p, impedance: 75Ω,Audio CompressionG.726, G711, ADPCMAudio Input1/2/4 channel, ...