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Access Control

Access control systems are physical or electronic systems which are designed to control who has access to a network. The most simple example of a physical access control system is a door which can be locked, limiting people to one side of the door or the other. Electronic access control systems typically control network security, limiting which users are allowed to use resources on a computer system, for example. Several security companies specialize in providing access control systems and supporting hardware and software for companies of all sizes.

In some cases, physical access control systems are integrated with electronic ones. For example, a door may be unlocked with a swipe card, an RFID keyfob, or through biometric means. A card access control system is one of the most common types of electronic door control, using a card with a magnetic stripe which can be swiped through a reader on the door. Hotels often use this system, which can be used to make temporary room keys. Laboratories and other facilities with areas requiring high security may also use a card control system, making the cards double as personnel identification.

Bosch (Phillips) � Netherlands

Apexis Integrated System Inc. � USA

Honeywell - UK