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Proximity Card Definition: A proximity card is a type of access control card that uses radio frequency identification (RFID) technology to grant or restrict entry to a secure area based on the physical proximity of the card to a card reader.
A proximity card is a type of access control card that uses radio frequency identification (RFID) technology to grant or restrict entry to secure areas. These cards do not need to be swiped through a reader or inserted into a slot; instead, they can be simply held near a proximity card reader for authentication. The card contains a chip that communicates with the reader wirelessly to verify the user's access rights.