Radio waves signals to recognize

RFID devices uses radio waves signals to recognize objects and people. For identification purpose the microchip has a serial number that recognize objects and people. The antenna supports the chip to transfer the identification codes to a proximity reader. After that the proximity reader further transform the radio waves which were reflected back from the RFID transponder into digital codes that are then transformed to the system which finally use them. Generally proximity cards and proximity key fobs are embedded with RFID tag which enables them to be read by the proximity reader to gain access control.

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