... blackmail,carjack,car-forcing etcFacilitate the management of company vehicles(GPS smart positioning) or car teamFull view backing-car function, ... ignition signal,3 for ordinary signal inputbuzzerOne buzzer alarmGPSBuilt-in GPS module, Geographic co-ordinates , speed can be read in ... coding flowfile info code flow,GPS data format:NEMA0183 Baud rate:4800bpsNetwork PortRJ45,10M/100M ...