Radio controlled airplanes work because the radio transmitter sends a signal to a receiver on the aircraft itself, which interprets the signal as a command, which tells it to send a certain electrical impulse to
While there are a number of frequencies model airplanes can fly on, most are very limited. Some amateurs use the six-meter band which will allow some of these huge planes to travel fifty and more miles from where the control pilot stands with their controls. REPAIR, SEE FIX AND REPAIR ...