Queclink GL520 Standalone GPS tracker sent Scheduled Reports through (TCP, UDP, SMS) protocols, accept SMS commands and the best solution to manage hours of service control (HoS) of Queclink GL520 in real-time is from a Tracking Management Platform always online with field service management and their fuel consumption control. You can setup on the GL520 GPS device of Queclink some preventive SMS alerts: (geofences, low internal batteries power, wake up device alarm), you receive a SMS message when are active one preventive event. Receive exact "Geo Location" of Queclink GL520 Standalone GPS tracker on your mobile phone every time that GL520 GPS tracker cross a virtual geofence (up to 5 internal geofences for service routes or deliveries tasks control). GL520 of Queclink is a Standalone GPS device valid to different requirements on Mobile Asset management control such: GPS Container tracking, automatic vehicle dispatch, heavy machines, power generators, etc... In addition you can use an REST API to connect existing applications and Queclink GL520 Standalone GPS tracker allow to change any configuration parameters or firmware update through OTA (Over the Air) function.