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How Do Magnetic Card Door Locks Work? [Solved]

When the user of the card swipes it into the card reader or places an RFID card within the appropriate proximity to the card access control device, the door automatically unlocks. This proximity-dependent activation of the lock is why these and other similar cards are often referred to as “prox” cards for short.

how are the locks WORK on a hotel “card swipe” door

Hotel

Overcome limitations of RFID based card readers using Cloudastructure SmartKey

http://cloudastructure.com/products/cloudastructure-smartkey/overcome-limitations-rfid-based-

Reset Lock and Program

Resetting a “Problem