The internal 3-Axis accelerometer of NB / IoT GPS tracker Dart2 detect the following events of aggressive driving: (harsh acceleration, harsh braking, harsh cornering), with this information you can manage the Driving behaviour´s and improve your daily fleet management and your service routes or deliveries tasks. Dart2 allow manage the unauthorized driving of your vehicle or mobile asset through (Driver identification), if the unauthorized driver generates ignition action of your vehicle or mobile asset don´t can make it, this function increases the safety of your fleet management and in their automatic vehicle dispatch. Dart2 of Digital Matter Telematics can use simultaneously GPS and GLONASS satellites, providing double satellite positioning that others conventional GPS devices, the result of fix positions is faster and offer more fix accurate. Another great advantage of Dart2 NB / IoT GPS tracker is the total management through OTA (Over-The-Air), you can save costs in technical services and uninstalled upgrading the tracker firmware or change configuration parameters from a distance. Dart2 also can be use an REST API to connect existing applications or you can manage some scheduled reports if you use our GPS tracking platform, from where you can manage their vehicle care driving and control their vehicle event management or you can manage their vehicle preventative maintenance that help you to reduce company cost. In our GPS tracking platform, you can also control their Dart2 tracker using our mobile applications for vehicle tracking and also manage their vehicle efficient driving without requirement limit or you can manage the control of driving habits of their drivers depending of your need. You can connect some external devices or peripherical to Dart2 device through TTL serial port, also including a low-cost RFID tag reader to manage the "driver identification".