... Storage for security system > Video Resolution: D1/Half-D1/CIF/QCIF> HDD storage, 2TB maximum> 802.11b/g WIFI network (optional ... 1 channel, D1KD-DS101DT-3G1 channel, D1, support 3G Network:EVDO( CDMA2000),WCDMAKD-DS102DTWired,2channel, D1KD-DS102DT-WWireless,2 ... channel, D1KD-DS102DT-3G2 channel, D1, support 3G Network:EVDO( CDMA2000),WCDMAKD-DS104CTWired,4channel, CIFKD-DS104CT-WWireless,4channel, ...