NEO-M9N four GNSS mini receiver + LIS3MDL Compass - Eltehs GNSS OEM Store
Matek M9N CAN GNSS NEO M9N Compass QMC5883L Ublox UAVCAN GPS Module Support GLONASS Galileo Beidou for FPV RC Racing Drone|Parts & Accessories| - AliExpress
CUAV New NEO 3 PRO GNSS U BLOX M9N GPS Module PIX Flight Controller Pixhawk with Ardupilot PX4 Open Source 4 Starts|Parts & Accessories| - AliExpress
u-blox NEO-M9N GPS Featherwing | Hackaday.io
Matek Systems GNSS M9N 5883 UBLOX NEO M9N GPS Module With Magnetic Compass QMC5883L Support GLONASS Galileo Beidou for RC Drone|Parts & Accessories| - AliExpress
Matek System M9N-5883 GNSS & Compass GPS
DP0803 GNSS (Tiny M9N)
U-blox meter-level positioning technology offers enhanced GNSS for autos - GPS World