Unlocking a door with a card is a handy and safe approach to acquire entry to a constructing or room. These methods are sometimes utilized in business and residential buildings, in addition to in lodges and different hospitality settings.
Card readers are usually put in close to the door and are linked to a pc system that controls entry to the constructing. When a card is swiped by way of the reader, the system checks the cardboard’s credentials towards a database of licensed customers. If the cardboard is legitimate, the system will unlock the door.