Introduction Keycard is one type of ID and physical security that is compact, movable, and designed to be protected. Usually incorporated in the plastic card form, these technologies allow users to open limited access zones, devices or certain systems instead of keys. Being units of access control and convenience, keys cards have found their wide use in hotels, offices, residences, and secure spaces Key Features of Keycards Compact Design: Embedded Technologies: It may come in slim and wallet size, just as thin as a credit card. Constructed from material that will endure (PVC) Keycards often feature one or more of the following : Magnetic Stripe: Records that are in some ways similar to storing text that can be read by a card reader. RFID (Radio Frequency Identification): It also communicates through radio waves with a card reader for biometric access to the cards. NFC (Near-Field Communication): A next generation of RFID for short-range and secure connect...