Airgineers Micro Drones - Airgineers 701420, This Airgineers F411-BVT Flight Controller has a RX21 Pro receiver and a NANO 3 Camera pre-soldered on to this VTX board, perfect for a soldering free, flying start in to the Airgineers competition. For use with the Airgineers range: Design, Build, Fly, Compete! Airgineers F411-BVT Flight Controller with RX2A and Nano03