... 4 channel (1280x1024)*30fps(NTSC) 3) Built- in GPS module ,GPS time synchronazation,geographic coordinates,speed can be read in coding flow4) Support ... ignition signal,3 for ordinary signal inputbuzzerOne buzzer alarmGPSBuilt-in GPS module, Geographic co-ordinates , speed can be read in ... coding flow file info code flow,GPS data format:NEMA0183 Baud rate:4800bpsNetwork PortRJ45,10M/100M ...