Matek Systems M8Q-5883 SAM-M8Q GPS & QMC5883L Compass Module for RC Drone FPV Racing


  • 72-channel M8 engine GPS L1C/A, SBAS L1C/A, QZSS L1C/A, QZSS L1 SAIF, GLONASS L1OF, Galileo E1B/C

  • On-board Ultra low noise 3.3V voltage regulator and RF filter for noise blocking

  • Features an additional front-end LNA for optimized performance and a front-end SAW filter for increased jamming immunity

  • Build-in embedded GNSS patch antenna, low power consumption

  • The 15 x 15 mm patch antenna provides the best compromise between the performance of a Right Hand Circular Polarized (RHCP) antenna and a small size to be integrated in any design.

  • Magnetic sensor QMC5883L integrated

  • Max navigation update rate
    Single GNSS up to 18 Hz
    2 Concurrent GNSS(GPS & GLONASS) up to 10 Hz

  • Horizontal position accuracy(GPS & GLONASS) 2.5 m CEP

  • Velocity accuracy 0.05m/s

  • Cold start 26 s
    Aided cold starts: 2 s
    Hot start 1 s

  • Sensitivity
    Tracking & Navigation: –165 dBm
    Reacquisition: –158 dBm
    Cold start: –146 dBm
    Hot start: –155 dBm

  • Input voltage range: 4~6V

  • Power consumption: 40mA

  • Uart (Tx,Rx) interface for GPS SAM-M8Q

  • I2C (DA,CL) interface for Compass QMC5883L

  • Battery for HOT module start

  • Power LED(Red) & Time pulse LED(Blue)

  • Dimensions: L20 x W20 x H10 mm

  • Weight: 7 gram

  • Supported by INAV/Betaflight/Ardupilot, ect.


  • M8Q-5883 module, 1 pc

  • SH1.0-6P 20cm silicon wire, 1 pc

  • Transparent PVC Heat-shrink tube


  • GPS, GLONASS, SBAS, QZSS are enabled by default

  • u-blox M8Q series has no external flash memory

  • Blue PPS LED blinking(1Hz) means 3D fixed

  • update rate 1Hz & baudrate 9600 default

  • Baud 9600~115200 supported by INAV/BF/Ardupilot

  • update rate 5Hz with INAV UBLOX Protocol

  • update rate 10Hz with INAV UBLOX7 Protocol

  • Compass Alignment(Arrow forward):
    INAV/BF: CW 270° Flip
    Ardupilot/Mission Planner: Rotation None

  • BF doesn’t support GPS position hold and RTH,  GPS Rescue mode is supported by BF3.5 or last.

  • No need compass for Fixed wings with INAV firmware

  • The scratches on ceramic antenna are the result of tuning the antenna by ublox.


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