In the digital inputs of AK7(S) GPS vehicle tracker, you can connect some external components: (doors sensor, on/off button, panic button for emergency messages, etc...) and on the digital outputs connect: (relay, buzzer). ATrack AK7(S) accept 3 tracking modes for your field service management control: (sending commands with mobile phone text messages, using server offer by ATrack, from an external tracking management platform that has the European regulations of tachograph data), the data packets with scheduled reports can send with the (TCP/IP - UDP/IP - SMS) protocols. Using AK7(S) from our GPS tracking platform, you can manage their vehicle care driving and control their vehicle event management or also use our REST API to connect existing applications. With AK7(S) and his "1-Wire" interface, can manage the hours of service of: (the temperature of your vehicle connecting an temperature sensor, the trailer ID, use iButtons for driver identification). Thanks to "RS232 4 pin connector" port, you can connect the follow external hardware with ATrack AK7(S) GPS vehicle tracker: (ATrack CAN solution, OBDII cigar power cable, Garmin PND (FMI 2.0) for their automatic vehicle dispatch, CMOS Camera, RFID reader & Tag) improving the technical functions of tracker. ATrack has designed AK7(S) tracker with an 3-axis accelerometer that is capable of detect any movement or impact in your vehicle in different type of service routes or deliveries tasks, thanks to 3-axis accelerometer you improving the performance of your vehicle and increase the driving control or their efficient driving.