aircode

noun
UK /ˈeə.kəʊd/
US /ˈer.koʊd/

A special code that travels through the air to a machine.

The TV remote sends an aircode to change the channel.


OTHER MEANINGS

2. A code sent by radio waves instead of wires.

The pilot used an aircode to talk to the tower.

3. A secret set of letters or numbers sent through the air.

The drone received an aircode to fly home.

4. A short message sent over the air to a device.

My toy car moves when it gets the aircode from the controller.