New Matek Systems M10Q-5883 72 Channel SAM-M10Q GPS & QMC5883L Digital AirSpeed 4~9V With Compa Module For RC FPV Racing Drone 1.M10Q-5883 uses multi-constellation GNSS module powered by SAM-M10Q-00B.2.The SAM-M10Q features the M10 standard precision GNSS platform and provides exceptional sensitivity and acquisition time for all L1 GNSS signals. SAM-M10Q supports concurrent reception of four GNSS (GPS, GLONASS, Galileo, and BeiDou). The high number of visible satellites enables the receiver to select the best signals. This maximizes the position availability, in particular under challenging conditions such as in deep urban canyons. Super-S (Super-Signal) technology offers great RF sensitivity and can improve the dynamic position accuracy in non-line-of-sight scenarios.3.The high-gain 15 x 15 mm2 patch antenna provides the best balance between performance and small size. The omnidirectional antenna radiation pattern increases flexibility for device installation.More details about the SAM-M10Q, pls check out SAM-M10Qpage ! SPECIFICATIONSGNSS SAM-M10Q-00B (GPS, GLONASS, Galileo and BeiDou)Magnetic Compa QMC5883LPatch antenna 15*15*4mmInput voltage range: 4~9V (5V pad/pin)Power consumption: 13mAUART baudrate: 9600 defaultOperating Temperatures: -20~80 CUART(TX, RX) interface for GNSS SAM-M10Q-00BI2C(DA, CL) interface for Compa QMC5883LJST-GH-6P connector (SM06B-GHS-TB). 1.27mm pitchGNSS PPS LED, Green. (Solid ON after powering on, blinking(1Hz) when GNSS get 3D fix)Protocol: UBX() 5Hz@GPS+GAL+BDS B1C+GLO or NMEA 1Hz20mm*20mm*12.4mm8gM10Q-5883_step.zip INCLUDING1 x Matek M10Q-5883 GNSS GPS & Compa Module1 x JST-GH-6P to JST-GH-6P 20cm silicon wireWIRING AND SETTINGSM10Q-5883 5V to Flight controller 4~9VM10Q-5883 RX to Flight controller UART_TXM10Q-5883 TX to Flight controller UART_RXM10Q-5883 CL to Flight controller I2C_SCLM10Q-5883 DA to Flight controller I2C_SDAM10Q-5883 G to Flight controller GND TIPS AND NOTESCompa Alignment(flat mounting): Tilting the magnetometer is strongly discouraged !INAV/BetaFLight: compa Arrow forward, set CW 270 Flip when flight controller arrow is facing forward.INAV/BetaFLight: compa Arrow backward, set CW 90 Flip when flight controller arrow is facing forward.Ardupilot/Miion Planner: Rotation None.Make sure to have compa/magnetometer 10cm away from power lines/ESC/motors/iron based materialINAV 5.0.0, Betaflight 4.3.0, ArduPilot 4.3 or newer is required.NEO-M9N, MAX-M10S, SAM-M10Q series all dont have dataflash built in. once GNSS is powered off and the supercapacitor run out. the settings will back to default.UBX protocol is bidirectional. Flight controller firmware can change settings on GPS via UBX protocol. You dont need to set GNSS module parameters in u-center.The default configuration on SAM-M10Q with FW 5.1 is concurrent reception of GPS, Galileo, GLONASS, and BeiDou B1C with QZSS and SBAS enabled.Start with GNSS FW3.01, timepulse is aligned with UTC time and that time is set valid only after leap second is downloaded. That could take up to 12.5 min. Probably PPS LED will not blink immediately after GPS has 3D fixed.The M10Q-5883 provides the ability to reset the receiver. Bridging RST pad to Ground for at least 100 ms will trigger a cold start. RESET will delete all information and trigger a cold start. It should only be used as a recovery option. If you are sure wiring and setup are all right. but flight controller cant detect the GNSS module(grey GPS icon), try doing reset.The scratches on ceramic antenna are the result of tuning the antenna.