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2. Keycard lock - Wikipedia

   en.wikipedia.org/wiki/Keycard_lock

   Computerized authentication systems, such as key cards, raise privacy concerns, since they enable computer surveillance of each entry. RFID cards and key fobs are becoming increasingly popular due to their ease of use. Many modern households have installed digital locks that make use of key cards, in combination with biometric fingerprint and ...

3. Proximity card - Wikipedia

   en.wikipedia.org/wiki/Proximity_card

   A proximity card controlled turnstile A passive proximity card with the plastic casing opened to show components: antenna coil and integrated circuit (black object bottom center) Anatomy of proximity card: coil and IC The proximity card coil of an electronic fare collection system. A proximity card or prox card [1] also known as a key card or ...

4. Access badge - Wikipedia

   en.wikipedia.org/wiki/Access_badge

   The access badge contains a number that is read by a card reader. This number is usually called the facility code and is programmed by the administrator. The number is sent to an access control system, a computer system that makes access control decisions based on information about the credential. If the credential is included in an access ...

5. Access control - Wikipedia

   en.wikipedia.org/wiki/Access_control

   The typical credential is an access card or key-fob, and newer software can also turn users' smartphones into access devices. [ 7 ] There are many card technologies including magnetic stripe, bar code, Wiegand , 125 kHz proximity, 26-bit card-swipe, contact smart cards, and contactless smart cards .

6. Remote keyless system - Wikipedia

   en.wikipedia.org/wiki/Remote_keyless_system

   Prior to remote keyless systems (RKS), several manufacturers offered keypad systems which did not allow "remote entry" per se, but allowed a user to enter a vehicle without a key by entering a code on a multi-button keypad on the driver door or pillar — to unlock the driver door.

7. Smart lock - Wikipedia

   en.wikipedia.org/wiki/Smart_lock

   The main components of the smart lock include the physical lock, the key (which can be electronic, digitally encrypted, or a virtual key to provide keyless entry), a secure Bluetooth or Wi-Fi connection, and a management mobile app. Smart locks may also monitor access and send alerts in response to the different events it monitors, as well as ...