Airgineers Micro Drones - Airgineers 701421, This Airgineers F411-BVT Flight Controller has a RX21 Pro receiver pre soldered on to this VTX board, for a quick start in to the Airgineers competition. For use with the Airgineers range: Design, Build, Fly, Compete! Airgineers F411-BVT Flight Controller with RX2A
