Tracker FOX3-3G-DR Worldwide, 3G bands 5/8/2/1 with 2G fallback, GNSS, Dead Recogning (DR), Accelerometer, Int ant. & Ext ant. conn, Mini SIM, 2xRS-232 port, 3xI/O, I2C, RTC, 1-Wire, Mini USB, 3xLED, AVL3 Firmware