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Could a Smartphone Track a Miniature RFID Tag Placed on a Golf Ball?
Is this use of the technology possible?
No. Smartphones might have a Near Field Communication (NFC) reader built in, but NFC readers are designed to provide a read range of only a few inches. Even if an interrogator were to utilize a passive ultrahigh-frequency (UHF) reader attachment, such as MTI's Mini Me model, the phone would not be able to supply sufficient power to attain much read range. A company known as RadarGolf offers a ball with an embedded transponder and a device capable of locating balls.
—Mark Roberti, Founder and Editor, RFID Journal
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