... is the same network feature as ip camera. 2:channel, CIF 3:channel, D1 Digital Video Server1 Video Resolution: D1/ ... ( CDMA2000),WCDMAKD-DS202DXWired,2channel, D1KD-DS202DX-WWireless,2 channel, D1KD-DS202DX-3G2 channel, D1, support 3G Network:EVDO( CDMA2000),WCDMAKD ... : 75Ω,Audio Compression G.726, G711, ADPCMAudio Input1/2/4 channel, RCA port, liner input, Impedance:1KOhmsAudio Output1channel,RCA ...