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  2. Keycard lock - Wikipedia

    en.wikipedia.org/wiki/Keycard_lock

    In the case of the hotel room lock, there is no central system; the keycard and the lock function in the same tradition as a standard key and lock. However, if the card readers communicate with a central system, it is the system that unlocks the door, not the card reader alone. [3]

  3. Smart lock - Wikipedia

    en.wikipedia.org/wiki/Smart_lock

    Electronic keypad lock. A smart lock is an electromechanical lock that is designed to perform locking and unlocking operations on a door when it receives a prompt via an electronic keypad, biometric sensor, access card, Bluetooth, or Wi-FI from a registered mobile device. These locks are called smart locks because they use advanced technology ...

  4. 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 ...

  5. Electronic lock - Wikipedia

    en.wikipedia.org/wiki/Electronic_lock

    Electric locks may be connected to an access control system, the advantages of which include: key control, where keys can be added and removed without re-keying the lock cylinder; fine access control, where time and place are factors; and transaction logging, where activity is recorded. Electronic locks can also be remotely monitored and ...

  6. Remote keyless system - Wikipedia

    en.wikipedia.org/wiki/Remote_keyless_system

    A remote keyless system (RKS), also known as remote keyless entry (RKE) or remote central locking, is an electronic lock that controls access to a building or vehicle by using an electronic remote control (activated by a handheld device or automatically by proximity). [1]

  7. Door security - Wikipedia

    en.wikipedia.org/wiki/Door_security

    Smart locks can be used to limit door access to only people with an electronic key fob or near-field communication device, like a smartphone. [1] These devices are popular with landlords, who can enable and disable digital access without physically mailing out keys.

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