The Access control device may use one or more types of technology to identify individuals, based on their available information, such as personnel code and system time, to record each person's traffic.
Having a good access control device is necessary to prevent human mistake, but it is not enough, in order to eliminate the defect and avoid the mistakes, access control systems or the Turnstile gate should be used to record all entry and exit of all personnel.
the access control device, has the ability to prevent unauthorized entry and establishes the security of the entrances.
Advantages and disadvantages of access control device
Each access control device consists of two parts: software and hardware, and it's task is identifying people and registering their arrival and departure time.