BEITIAN BN 180 BN180 SuperTiny 4.9g GLONASS GPS Module 18X18X6mm for RC Airplane FPV Racing Long Range LR4 LR5 LR7 Drones|Parts & Accessories| - AliExpress
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Smallest Mini Dual GLONASS+GPS BN-180 Micro Double GPS Antenna Module UART TTL For CC3D F3 Sale - Banggood USA
How to Setup GPS in Betaflight - Oscar Liang
BN-180 GPS Module TTL Level without Flash, Beitian BN-180 GPS+GLONASS GNSS Module with Passive Antenna, without Compass, For arduino CC3D F3 Flight Control