remote control 
noun [mass noun]
1Control of a machine or apparatus from a distance by means of radio or infrared signals transmitted from a device: the bomb was detonated by remote control [as modifier]: a remote-control toy
1.1 (also remote controller) [count noun] A device that controls an apparatus by means of radio or infrared signals: he turned the volume down by means of his remote control...
- The system is further provided with user control means such as a remote controller for generating user control commands and transmitting signals to the data processor in response thereto so as to control the content of the display signal.
- Both cards offer FM-radio tuners and remote controls that use radio frequencies, not infrared, to issue commands.
- Look at the development of ‘older’ battery operated technology, transistor radios, video cameras, mobile phones and even remote controls that we use for a range of devices.