Using the different "SMS alerts" of GV56 GPS tracker you increasing the safety in your daily fleet management, can config the follow alerts: (tow alert, jamming alert, digital input alert, virtual geofences alert for service routes or deliveries tasks), Queclink GPS tracker send the SMS alerts to a predefined mobile phone. 3 real-time tracking modes offers Queclink GV56 to locate your vehicle: (sending commands with SMS messages, from the Queclink online server, using an external tracking management platform "edit default IP/port in device config"), from the online services you can create and manage the (SMS alerts / events). To increase your vehicle performance, GV56 GPS tracker offer the detection of the follows "driving behaviour´s": (crash detection, aggressive driving detection, harsh cornering, harsh braking, harsh acceleration), thanks to the reports of "Efficient Driving - Driving style control" you save costs in your vehicle. Queclink GV56 integrate a (1-wire) interface that allow manage the unauthorized driving through iButton key or that you connect a "temperature sensor" and control the hours of service in your vehicle temperature in real-time. GV56 GPS tracker can be make 2-way communications or send data packets through the "Bluetooth 3.0 / 4.0" connectivity, contact with Queclink to know that type of external devices can connect through Bluetooth to GV56 tracker.