Through the "1-Wire" interface of ATrack AK11 GPS vehicle tracker, you can manage the driver identification or connect a temperature sensor for vehicle temperature control in real-time. With an "RS232" serial port that allow connect different external peripherical to AK11 tracker, how more peripherical connect to ATrack GPS tracker more telematics information you got for your daily fleet management. ATrack AK11 support the data transfer with the "TCP/IP - UDP/IP - SMS" protocols and allow 3 tracking modes: (from the ATrack online server, sending text messages with commands via SMS, editing the IP/port in the device config to use an external tracking management platform), also accept firmware upgrade through (OTA or USB cable). AK11 can read telematics data of "Can Bus - OBDII/J1939/J1708" and send the extract data from the vehicle Can Bus to tracking management platform, on where you can manage different reports in real-time. ATrack offer the possibility that AK11 GPS vehicle tracker dispose of (Bluetooth BLE 4.1), if you acquire these extra option, you can pair different external devices through the Bluetooth connectivity without wire connection, this function is ideal for IoT applications.