... 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 ... WEP,WPA,WPA2(support wireless model)Storage interfaceBuilt-in standard SATA port for HDD. Support SD card storage and snapshot, ...