Radio

Radios were communication devices that transmitted or received sound or information over a distance using radio waves.

Radios were often used on Earth to play music that people could dance, sing and "fall in love" to. To Daleks, however, a radio was just noise. (TV: Evolution of the Daleks)

In 1938, Orson Welles broadcast a radio play adaptation of The War of the Worlds. (AUDIO: Invaders from Mars)

Circa 1969, radios manufactured by International Electromatics played a part in the Cybermen's plans to invade Earth. (TV: The Invasion)

Research stations used radio waves for tests and often transmitted them into space to search for signs of intelligent life. In the 1970s, the Nestenes tried to materialise on Earth through radio waves at one station, but they were stopped by the Third Doctor and. (TV: Terror of the Autons)

Radio transmitters were a means of communication. (TV: The Sea Devils)

While in Daniel Eldred's rocket, the Second Doctor, Zoe Heriot and Jamie McCrimmon used radios to contact Earth, the Moon and one another. (TV: The Seeds of Death)

During the 22nd century Dalek invasion, the rebels received broadcasts from the Daleks via radio. (TV: The Dalek Invasion of Earth) The Daleks destroyed every radio they found and killed anyone using them to keep humans from getting together and fighting them. (PROSE: Legacy of the Daleks)

In the 1960s, there were a number of pirate radio ships, such as Radio Bravo, surrounding Britain. (AUDIO: Dead Air)

In the 21st century, there was a radio in the diner, which was actually a disguised TARDIS. The Twelfth Doctor used his sonic sunglasses to activate it and use it as an amplifier. (TV: Hell Bent)