Specifications Brand Name Beitian Item Name BN 220ZFChip AT6558FFrequency GPS L1 GLONASS L1Working Mode GPS GLONASSChannels 72 Searching ChannelTracking Sensitivity 162dBmReacquisition Sensitivity 160dBmCold Start Sensitivity 148dBmHot Start Sensitivity 156dBmPosition Horizontal Accuracy 2 0 m CEP 2D RMS SBAS Enable Typical Open Sky Speed Accuracy 0 1m s 95 SA off Time Accuracy 30nsCold Start Acquisition Time 32sHot Start Acquisition Time 1sReacquisition Acquisition Time 1sData Output Support Rate 4800bps to 921600bps Default 9600bpsData Output Level TTL LevelData Output Protocol NMEA 0183Data Output NMEA Message RMC VTG GGA GSA GSV GLLData Output Update Rate 1Hz 10Hz Default 1HzData Output Flash Support the configuration can be changed and the data will not be lost when the power is offOperational Altitude Limits 50000mOperational Speed Limits 515m sOperational Acceleration Limits 4gPower Consumption of VCC DC Voltage 3 6V 5 5V Typical 5 0VPower Consumption of Current Capture 50mA 5 0VDimension 22 0mm 20 0mm 6 0mmWeight 5 4gConnector 1 00mm 4pins connectorOperating Temp 40 °C 85°CStorage Temp 40°C 105°CTX LED Blue The data output TX LED flashing PPS LED Red PPS LED not bright when GPS not fixed flashing when fixed Pin Description PINPIN NameI ODescriptionCharacteristic1GNDGGroundGround2TXOUART communication interface TTL levelGPS data output pin3RXIUART communication interface TTL levelGPS data input pin4VCCIM