RADIO CONTROL SYSTEM CONSISTING OF A REMOTE CONTROLLER FOR MODEL VEHICLES and ROBOTS, RADIO CONTROL SYSTEM CONSISTING OF A SPEED CONTROLLER FOR MODEL VEHICLES and ROBOTS, RADIO FREQUENCY TRANSMITTER MODULES, AM AND FM RECEIVERS, ELECTRONIC SERVO CONTROLS, SERVO MOTORS, ELECTRICAL ON/OFF SWITCHES, AND CHARGER FOR RADIO CONTROL SYSTEMS; and ROBOTS FOR PERSONAL OR HOBBY USE