G-Mouse/ External GNSS Receiver   ● GPS/BeiDou/Glonass/QZSS/Galileo single or multi band are suitable. ● Over 2 million effective correlators. ● Down to 1 sec. acquisition time. ● Cold start acquisition sensitivity: -148 dBm Tracking sensitivity:-167 dBm. ● Open sky cold start 29 second. ● Accuracy 2.5m CEP. ● Firmware Adjustable. ● High Gain and Low Noise. Low Power Consumption. ● Support RS232/TTL/I2C/USB, Data Logging, A-GPS, SRAM & backup battery, LED Lamp. ● Waterproof grade：IP68, IPX9K. ● Cable length, connector are customized.