... space alarm function, GPS overspeed/ low speed alarm, G-sensor alarm, motion detection alarm12.RS232, RJ45.ODM expansion design; ... Support GPS, G-sensor, Gyro-sensor module13.Support 3G transmission: WCDMA, CDMA2000, TD-SCDMA, ... on/off, delayed time off 19.Industrial product: Anti-vibration, anti-high temperature protection and low temperature pre-heated ...