Specification Brand BeitianModel BQ 280 Item Name GPS Integrated ModuleChip AT6668BFrequency Bands BDS B1I BDS B1CWork Mode BDSSignal Tracking Sensitivity 161dBmReacquisition Sensitivity 158dBmCold Start Sensitivity 148dBmHot Start Sensitivity 155dBmHorizontal Positioning Accuracy 2m CEP50 Speed Accuracy 0 1m s 1σ 1PPS Time Accuracy 20nsCold Start ≤23sHot Start ≤1sReacquisition Time ≤1sSerial Port Baud Rate 115200bpsOutput Level TTLOutput Protocol NMEAUpdate Rate 1HzFlash Memory SupportedClock Pulse Output Frequency 0 25Hz to 10MHzMaximum Altitude 18 000mMaximum Speed 515m sVoltage Range DC 3 6V to 5 5V Typical 5 0V Current Normal 35mA 5 0VDimensions 28mm x 28mm x 8 5mmWeight 14gConnector 1 25 pitch 6PIN connectorOperating Temperature 40°C to 85°CStorage Temperature 40°C to 90°CTX Indicator Blue light flashes indicating data output PPS Indicator Remains off when not fixed starts flashing after 3D positioning is achievedPackage included 1x BQ 280 BDS Module