How to Setup GPS in Betaflight / Mini Quad - Oscar Liang
BN-220 GPS Module - WavRX
GPS Units Compared - BN-220 vs BN-880 vs BN-880Q for iNav, Ardupilot or Betaflight - YouTube
BeiTian BN-220 High Precision GPS GLONASS Dual Module with Antenna 10H – RC Papa
Guide: Installing GPS in quadcopter
Beitian BN-220 Dual GPS Glonass Module with Flash + GPS Passive Antenna for Arduino Aircraft F3 CC3D Flight Control - Buy cheap in an online store with delivery: price comparison, specifications, photos
Beitian BN-220 GPS strap or tie mount by DiAleksi - Thingiverse