FlySky FGr4B 2.4GHz 4CH AFHDS 3 Micro Mini RC Receiver for Noble NB4 Plus
FlySky FGr4B 2.4GHz 4CH AFHDS 3 Micro Mini RC Receiver. The FGr4B receiver adopts Flysky's third-generation automatic frequency hopping digital system (AFHDS 3). It supports all AFHDS3 transmitters.