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 you can manage their vehicle preventative maintenance that help you to reduce company cost, also use our REST API to connect existing applications and manage their drivers control of driving habits without any requirement limit or control their service routes and deliveries tasks depending of your need, in addition you can manage their manual task registration without any requirement limit and control their automatic vehicle dispatch that help you to reduce cost. In our GPS tracking platform, you can also control their AK7(S) using our mobile applications for vehicle tracking and also manage different type of scheduled reports depending of your need or you can control their field service management without any requirement limit, in addition you can use our automatic data sending service to external servers and you can control their vehicle eco driving that help you to reduce cost or you can manage their vehicle hours of service control (HoS) depending of your need. 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.