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Off late Radio Frequency Identification (or RFID) - a means of identifying objects via a wireless communications protocol using radio waves - has become commonplace. One may already be making wireless payments for gasoline purchases, using a keyless entry card in workplace, or paying highway tolls via a communications device mounted in car. Because of the advances in technology that moved electronics from bulky boxes to highly integrated circuitry, engineers can create tiny, inexpensive, and powerful communications chips that make the deployment of wireless communications even more ubiquitous.
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