With Queclink GV350MG you can extract telematics data from vehicle "Can Bus - CAN 2.0A/B - SAE J1939" and dispose of different data that depending of vehicle model offers more data, contact with Queclink to know if your vehicle is compatible. GV350MG has 2 "RS232" serial ports with an 16 pin Molex connector, on where you can connect any type of external devices that improving the default features of Queclink GPS tracker. For increase your vehicle control, you can create "virtual geofences - up to 20 circular geofences - up to 20 polygonal geofences" in Queclink GV350MG GPS tracker and receive alerts in your mobile phone every time that GV350MG cross one of the virtual geofences. For real-time tracking GV350MG offer 3 modes: (sending commands with SMS text messages, from Queclink server, using an external tracking management platform), always is more economic use an online service that send multiples SMS messages. Queclink GV350MG detect the follows "aggressive driving behaviour´s" related with various events: (harsh acceleration, harsh braking, harsh cornering, accident detection and reconstruction), these events of "driving behaviour´s" you can manage it in the external tracking management platform or in the Queclink online server.