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Do Combined Proximity-Vicinity RFID Chips Exist?
Are there any chips that employ both proximity and vicinity radio frequency identification technology—and if so, which companies produce them?
Texas Instruments sells a chip, the TRF7960, that can be used for different high-frequency (HF) protocols, which means it can be utilized in both proximity and vicinity applications. For more information, visit
In addition, Impinj has been working to develop an ultrahigh-frequency (UHF) tag that can operate in both the near and far fields, which means it can be read at both short and long ranges. No tags with this capability are currently on the market, however.
—Mark Roberti, Editor, RFID Journal
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