Radio

Radios were communication devices that received music 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) He also starred in the radio series The Shadow. (AUDIO: Invaders from Mars; PROSE: The Shadow of Weng-Chiang)

At some point in the 1960s, Susan Foreman acquired a transistor radio, which she used to listened to pop music, to the First Doctor's chagrin. During a Cyberman invasion, the Doctor made some adjustments to the radio waves, causing the Cybermen's mechanical brains to go haywire. (PROSE: Dr. First)

In October 1963, Susan Foreman and Cedric Chivers listened to the Beatles on Susan's transistor radio. Cedric claimed that the Beatles were always playing on the radio. (AUDIO: Hunters of Earth)

Circa 1969, radios manufactured by International Electromatics played a part in the Cybermen's plans to invade Earth. Tobias Vaughn even gave one to Jamie McCrimmon (TV: The Invasion)

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)