... g, support for encryption: wep64, wep128, wpa, wpa2, Wireless Power: 13dbm3G modules (optional) HSPA/UMTS 850 / 900 / ... 10 seconds previous recording, support alarm upload, Video lost, motion detection, external inputAlarm EventsFile upload via FTP, Email; ... 1 RS485 interfaceSDKSDK available for application development and system integrationOS RequirementMicrosoft Windows 2000/2003/XP/Vista/ ...