Access control

Access control, what is physical access control

The wiegand Protocol

Wiegand protocol is named after John R. Wiegand. He discovered the Wiegand effect. Which is a physical phenomenon in which a special wire produces small magnetic fields. So this magnetic effect is used to transmit information.

Indeed, over 90% … Read more

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Access control and fire alarm

access control and fire alarm
Emergency exit

The access control system consists of putting in place means to filter the access of people to certain places. It allows authorized people to enter through the controlled doors. However. In case of fire. It could prevent … Read more

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