Amazon.com: GPS Module GPS NEO-M8N BDS Compass Module(3 in 1) Drone Microcontroller, GPS Receiver with High Precision APM Flight Control Pixhawk Navigation Module for APM PIX PX4, I2C Compatible with MWC :
Amazon.com: GPS Module GPS NEO-6M(Ar duino GPS, Drone Microcontroller GPS Receiver) Compatible with 51 Microcontroller STM32 Ar duino UNO R3 with IPEX Antenna High Sensitivity for Navigation Satellite Positioning : Electronics
Amazon.com: Taidacent Dual Frequency GNSS Receiver Small Size Small Volume Drone GPS Module GPS+Glonass Dual Band GPS Receiver Positioning Module BN-180 : Electronics
Amazon.com: GPS Module GPS NEO-6M(Ar duino GPS, Drone Microcontroller GPS Receiver) Compatible with 51 Microcontroller STM32 Ar duino UNO R3 with IPEX Antenna High Sensitivity for Navigation Satellite Positioning : Electronics
Amazon.com: Readytosky® M8N GPS Module Built-in Compass with GPS Antenna Mount for Standard Pixhawk 2.4.6 2.4.8 APM 2.6 2.8 Flight Controller : Toys & Games