What is the purpose of a key card?
What is the purpose of a key card? A key card is a small plastic card which you can use instead of a key to open a door or barrier, for example in some hotels and car parks.
How do I protect my hotel key card?
Without tampering too much with access card itself, the best way to keep it protected is to wear it like a employee badge in a plastic enclosure clipped to your chest. Your security guys will love it! A very simple way to protect a magstripe card is to put it in a paper or a plastic sleeve.
Why did hotels switch to key cards?
Early metal hotel room keys were inscribed with the address of the hotel and the room number it opened, which provided criminals easy access to rich patrons. The uniformity of Sornes' keycard solved this issue by ensuring guests' anonymity: lost keys could no longer be traced to a particular room.
How do you open a hotel door with a key card?
The key card door lock is triggered once the magnetic strip is read and verified by the hotel door card reader. As a general rule, the access process is completed by swiping the card through the magnetic reader.