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The introduction of the hotel key card

  • Author:Penny Pan
  • Source:http://www.smart-home-security
  • Release on :2016-02-22
Hotel Key Card is a type of keycard that is used as an alternative to mechanical keys at hotels for various purposes. Most commonly they are used to unlock the guest room doors, which are locked with a keycard lock. A keycard lock is a lock operated by a keycard, a flat, rectangular plastic card with identical dimensions to that of a credit card or American and EU driver's license which stores a physical or digital signature which the door mechanism accepts before disengaging the lock.
There are several popular type of keycards in use including the magnetic stripe, Contactless, Chip, Inductive and more.
The first commercial use of key cards was at automated parking lots to raise and lower the gate where users paid a monthly fee.
d when power is lost.