—Name withheld
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Cell phones are equipped with RFID readers that employ a technology known as Near Field Communication, or NFC. This technology is designed to be short-range (only a foot or so) since it can be used for financial transactions, and to share information between a phone and another device. There is a Korean company that has developed a passive ultrahigh-frequency (UHF) reader for cell phones, but even that device is relatively short-range.
An industrial handheld UHF interrogator can read tags from about 10 feet away. So reading even a small amount of data from 20 feet would not be possible using a light-weight reader designed to be utilized by a consumer.
—Mark Roberti, Founder and Editor, RFID Journal
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