When was the radio invented When was the radio invented?

1, the radio was invented on January 23, 1923.

2, radio, also known as radio, is the use of electrical energy to convert the signal of the airwaves and can listen to the audio signals transmitted by the radio station a machine. Constructed from mechanical devices, electronic devices, magnets, etc., mainly used to receive radio broadcasting programs, listening to radio transmitters, usually radio stations send entertainment and information programs. It is different from the military use of radio receivers, the latter is not broadcasting. the introduction of DSP technology radio, marking the traditional analog radio will gradually withdraw from the stage of history, the digital era of radio has arrived.