Radio spectrum and Radio-frequency spectrum

Radio spectrum noun - The entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television.

Radio-frequency spectrum is a synonym for radio spectrum in electromagnetic frequencies topic. In some cases you can use "Radio-frequency spectrum" instead a noun phrase "Radio spectrum".

Radio-frequency spectrum noun - The entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television.

Radio spectrum is a synonym for radio-frequency spectrum. You can use "Radio spectrum" instead a noun phrase "Radio-frequency spectrum".