The access card system provides businesses with a way to limit access to the building or business location. This is especially useful in situations where the front door may be accessed by the general public. Without the card, the door remains locked and access is limited.

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There are different types of access card readers. First, working in much the same way that credit card reader works. The magnetic strip on the back of the card contains a special data access for people trying to gain entry.

Based on this information, the system will allow or deny access depending on what has been defined by the system administrator. The second type of reader, proximity card reader, only requires that the card is close enough for the reader to access the embedded computer information.

Most cards are designed to work with these systems has the company's logo and a picture of employees on the badge itself. This badge also acts as the identification of the company. In some cases, these cards can act in multiple roles.

The great benefit for many companies is that the system limits the access card for the security needs of men at the door and checks the credentials. Gives employees the ability to solve their own security inspection by swiping their badge prevents backlogs and speed up the security process.