You can connect different external devices to Queclink GV600MA NB / IoT GPS tracker using the (RS232) interface and improve the features to dispose of much telematics events that GV600MA can extract of the external devices. GV600MA of Queclink can working using the vehicle - trailer power source and when GV600MA detect that the power source is disconnect, activates the "Standalone GPS" mode using the rechargeable 5800 mAh backup battery to continue with your Fleet management without lost the scheduled reports communication. Increase your trailer - vehicle safety configuring the preventive "SMS alerts" in Queclink GV600MA NB / IoT GPS tracker: (digital / analogue inputs alert, speed alert, movement alert, low backup battery alert), the SMS alerts are send to your mobile phone. You can locate GV600MA device in real-time sending SMS text messages with commands, from Queclink server or change IP and port in the configuration to use GV600MA in an external Tracking Management Platform with hours of service control of your field service management and their fuel consumption control. If Queclink GV600MA NB / IoT GPS tracker lost coverage with the (LTE Cat M1/NB1) networks pass to data transfer through (Bluetooth BLE 4.2) connectivity assure that you can continue in your Fleet management. Using GV600MA in our GPS tracking platform that has European regulations of tachograph, you can manage the control of driving habits of their driver´s and control their vehicle eco driving or manage their vehicle care driving, also you can use our REST API to connect existing applications and you can control their field service management without any requirement limit or you can manage their vehicle hours of service control (HoS) that help you to reduce cost, in addition you can control their automatic vehicle dispatch depending of your need and manage their manual task registration without any requirement limit or control their service routes and deliveries tasks that help you to reduce cost. From our GPS tracking platform, you can also control their vehicle event management without requirement limit and you can manage some type of scheduled reports depending of your need or you can control their vehicle preventative maintenance that help you to reduce company cost, in addition you can locate their GV600MA using our mobile applications for mobile asset tracking and you can use without extra cost our automatic data sending service to external servers or you can manage their vehicle fuel control depending of your need.