Through the "1-Wire" interface of ATrack AS11 NB / IoT GPS tracker, is possible connect and manage events of: (the driver identification with iButton, trailer identification, connect a temperature sensor to control temperature in real-time). Also integrate "RS232" interface, on where you can connect to AS11 asset tracker: (RFID reader & Tag, ATrack CAN solution to extract Can Bus scheduled reports), contact with ATrack to know that other types of external hardware can connect to AS11 tracker. The GPS asset tracking with ATrack AS11 tracker can make it of 3 different modes with hours of service control and their fuel consumption control: (from ATrack online server, sending text messages with commands via SMS, using an external tracking management platform). With AS11 waterproof GPS tracker and his (OTA - Over the Air) function, you can reduce costs in maintenance services and firmware upgrade of ATrack tracker remotely without uninstall AS11 of your mobile asset. Using AS11 in our GPS tracking platform that has European regulations of tachograph, you can manage their asset efficient driving and manage the control of driving habits of their driver´s or control their vehicle event management, also you can use our REST API to connect existing applications. From our GPS tracking platform, you can also manage the care driving of their driver´s without requirement limit and you can control their vehicle preventative maintenance that help you to reduce company cost or you can manage their mobile asset fuel control without any requirement limit, in addition you can locate their AS11 tracker using our mobile applications for mobile asset tracking. ATrack AS11 can be compatible with "Bluetooth 4.1 BLE" connectivity, these function is an extra option that you required to acquire, with the Bluetooth connectivity you can pair different external devices with AS11 tracker without connect any extra wire improving their field service management.