1,the latest integrated design, built-in dual GPS antenna, electronic gyro, tilt sensors 2,provide accurate position and heading Technical ParametersGPS Signal: Dual 12 channels; L1, C/A Code, Carrier Phase smoothly;Data update rate: Standard 10Hz,up to 20Hz(including location and orientation)Positioning accuracy DGPS 1.0m CEPOrientation accuracy: <0.5°RMSPitching angle accuracy: <1 °RMSStarting ...