... QCIF > HDD storage, 2TB maximum > 2 channel, D1,Wireless Wireless 2 channel D1 Digital Video Server with Storage for surveillance system> Video Resolution: ... GPRS mobile network. supports 802.11b/g protocol, 2.4GHz, maximum wireless distance can be 100 meters, Supports WEP,WPA, ... mobile monitor that is based on Windows Mobile, Symbian , Android and iPhone platformsAlarm Input 4 channel on/off input, ...