Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-radio-97b2946871d6

What do garage door openers and keyless entry systems use radio for?

Remote control.

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  1. Purifying air
  2. Remote control ✔
  3. Cooking food

Why: Radio signals from a controller device control the actions of a remote device.

Huh, didn't know that: Radio signals from a controller device control the actions of a remote device.

The dad joke
The remote control had everything under control.
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References

Answer: Remote control. Radio signals from a controller device control the actions of a remote device.

  1. Radio en.wikipedia.org/wiki/Radio
    radio signals transmitted from a controller device control the actions of a remote device
    Checked 2026-11-07.

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That's stuff everyone should know.