What is an RFID tag?

A tag that sends data using radio waves.

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  1. A tag that sends data using radio waves ✔
  2. A paper barcode
  3. A type of cable

Why: An RFID tag uses radio waves to send stored data to a reader.

Huh, didn't know that: An RFID tag uses radio waves to send stored data to a reader.

The dad joke
RFID tags radio in their answers.
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References

Answer: A tag that sends data using radio waves. An RFID tag uses radio waves to send stored data to a reader.

  1. Scouting America: Digital Technology www.scouting.org/merit-badges/digital-technology
    Explain what a barcode, a QR code, and an RFID tag are
    Checked 2026-11-07.

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