skilled worker, trained worker - a worker who has acquired special skills

amplifier - electronic equipment that increases strength of signals passing through it

clock radio - a radio that includes a clock that can be set to turn it on automatically

crystal set - an early radio receiver using a crystal detector

detector - electronic equipment that detects the presence of radio signals or radioactivity

demodulator, detector - rectifier that extracts modulation from a radio carrier wave

heterodyne receiver, superhet, superheterodyne receiver - a radio receiver that combines a locally generated frequency with the carrier frequency to produce a supersonic signal that is demodulated and amplified

push-button radio - a radio receiver that can be tuned by pressing buttons

radio, wireless - a communication system based on broadcasting electromagnetic waves

radio-gramophone, radio-phonograph - electronic equipment consisting of a combination of a radio receiver and a record player

receiver, receiving system - set that receives radio or tv signals