GPS Camera Tracker& Navigation with taximeter and printer 1. ... be set at users’ options.10,Module GPS/GRPS is set to transfer management data automatically.11,Support TCP, ... 15 meters (over 95% probability)13.Precision of GPS speed: no less than 0.1 knots14,warm- ... voltage, preventing power supply polarity from being reversed18,Auto camera interface19,Designed for global market, communication module ...