... speed alarm, G-Sensor alarm, motion detection alarm10.Support GPS, G-sensor, Gyro-sensor module11.Support 3G wireless transmission: WCDMA, CDMA2000 ... , TD-SCDMA, GPRS, EDGE, WiFi wireless transmission ( ... , CDMA, WIFI, 3G (EVDO) optional. G-sensor, Gyro-sensor supported.BackupSD CardSupport 2 SD Cards, 32GB for each ...