(radio) A publicly available system of short-distance radio communications, usable by individuals or businesses without a license.

(telecommunications) A radio that creates and receives radio signals through software controlled DSPs (digital signal processors) with ADCs (analog-to-digital converters) and DACs (digital-to-analog converters).

plural of radio-controlled car

plural of fast radio burst

(astronomy) A tight band of radio-frequency waves that lasts only a millisecond, which packs the energy of millions of years of Solar output.

(music) An FM radio format in the United States popular from the 1970s to the 1980s, using 1960s music perceived as underground arranged into preset playlists.

A navigational aid to aircraft that provides a bearing to a radio beacon

plural of giant radio galaxy

plural of radio alarm clock

plural of radio cassette player