Digital Video Server 1:There is the same network feature as ip camera. 2:channel, CIF 3:channel, D1 ... ,1 channel, D1KD-DS201DX-3G1 channel, D1, support 3G Network:EVDO( CDMA2000),WCDMAKD-DS202DXWired,2channel, D1KD-DS202DX-WWireless,2 channel ... , D1KD-DS202DX-3G2 channel, D1, support 3G Network:EVDO( CDMA2000),WCDMAKD-DS204CXWired,4channel, CIFKD-DS204CX-WWireless,4channel, CIFKD ...