... WCDMA, CDMA2000, TD-SCDMA, GPRS, EDGE, WiFi wireless transmission (support WiFi automatic download and resume from break point)12. ... recording after alarm dynamically adjusted.Output2Ch alarm output, level signal.Communication PortRS232 for remote control; RJ45 for LAN.GPSYes ... , built-in GPS moduleWireless TransmissionGPRS, EDGE, CDMA, WIFI, 3G (EVDO) optional. G-sensor, Gyro-sensor supported ...