... D1/CIF/QCIF > HDD storage, 2TB maximum > 2 channel, D1,Wireless Wireless 2 channel D1 Digital Video Server with Storage for surveillance system> ... CDMA2000),WCDMAKD-DS102DTWired,2channel, D1KD-DS102DT-WWireless,2 channel, D1KD-DS102DT-3G2 channel, D1, support 3G Network:EVDO( CDMA2000), ... (W)* 4.8Cm(H) Net weight 1.82kg Wireless 2 channel D1 Digital Video Server with Storage for surveillance system