| RADIO | someone who operates a radio transmitter |
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| RADIO | an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m |
| RADIO | an electronic receiver that detects and demodulates and amplifies transmitted signals |
| RADIO | astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources |
| RADIO | an electronic receiver that detects and demodulates and amplifies transmitted signals |
| RADIO | a radio wave used to transmit and receive messages |
| RADIO | an object that radiates radio waves |
| RADIO | the entire spectrum of electromagnetic frequencies used for communications |
| RADIO | station for the production and transmission of radio broadcasts |
| RADIO | astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources |
| RADIO | transmitter that is the part of a radio system that transmits signals |
| RADIO | an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m |