1. The first is for friends in the urban areas, electromagnetic interference is very serious. Original controller transmit power is too small, in place poor electromagnetic environment, there will turn failure phenomenon about 300 meters. Not everyone has good place for flying, no electromagnetic interference environment, DIY modification, can ensure FPV security to the maximum extent! !
5.8G receiver plus a LCD screen & 2.4g remote amplifier
2. Hubsan X4 H501S Trasmitter Come With 7inch Display
To be continued........