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Short-range Wireless Communication, 3rd Edition by Alan Bensky

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Chapter 13

Radio frequency identification (RFID)

Abstract

The roles of radio frequency identification (RFID) systems over the frequency range of 125 kHz through 2.45 GHz are discussed in this chapter. All of them have a configuration of a reader terminal that forms a communications link with a tag or (smart) card that serves to convey the identification of an article or human user. RFID is classified according to energy source of the tag/card as “passive” or “active,” or according to the type of propagation link—near field or far field. We explain the communication signal interfaces specified in international standards for proximity cards and vicinity cards at 13.56 MHz, and for backscattering tags on UHF frequencies between 860 and 960 MHz. ...

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