DIYmalls BN-220 GPS Module with Flash + GPS Passive Antenna + CP210x USB to TTL for Arduino Raspberry Pi Flight Control: Amazon.co.uk: Electronics & Photo
DIYmalls BN-220 Dual GPS Glonass Module with Flash + GPS Passive Antenna for Arduino Raspberry Pi Pixhawk CC3D Betaflight Flight Control : Amazon.co.uk: Electronics & Photo
BEITIAN BN-220 GPS Module | QuadKopters
BeiTian BN-220 High Precision GPS GLONASS Dual Module w/ Antenna 10Hz for FC | eBay