Digital Video Server 1:There is the same network feature as ip camera. 2:channel, CIF 3:channel, D1 Digital Video Server1 Video Resolution: D1/ ... Half-D1/CIF/QCIF2 802.11b/g WIFI network (optional)3 3G (WCDMA/CDMA2000/TD-SCDMA) optionalKD-DS201CXWired,1 channel ... EVDO( CDMA2000),WCDMAVideo Input 1/2/4 channel composite video, PAL or NTSC, BNC interface,1.0Vp-p,impedance 75OhmsVideo ...