TFB313 is a small and professional tracker with internal high-gain GNSS and GSM antennas, a backup battery, and a built-in G sensor, which is able to collect device coordinates and other useful data and transfer them via GSM network to a server. The device is also compatible and perfectly working with all Analog Weight Sensors for heavy truck or similar usage. In parallel, it can be connected to a digital input and to control via the Immobilizer as an Output.