Radio frequency identification, RFID, uses electromagnetic fields to transfer data wirelessly. Common uses of RFID are entry passes to secure sites, library book logging, or tracking component parts in a production process. Passive RFID tags consist only of an antenna and a microchip, whose shadow can be seen by holding an RFID card up to a light. Passive RFID tags are powered by the RFID reader’s electromagnetic field to receive messages from the RFID reader and transmit messages to the RFID ...
11. Radio Frequency Identification
Neil Cameron1
(1)
Edinburgh, UK
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