Transmitter
From Tardis Wiki, the free Doctor Who reference
The Nestene Consciousness used the London Eye as a transmitter to control plastic. (TV: Rose [+]Loading...["Rose (TV story)"], PROSE: Twenty-First-Century London [+]Loading...{"page":"28","1":"Twenty-First-Century London (feature)"})
A transmitter on Mondas sent out software updates to CyberMondans, though it possessed a limited range that cyber-units had to be within. (AUDIO: Way of the Burryman)