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How does a magnetic lock work?

In our daily life, it is not difficult to find that holding a access control card or access control tag/keychain in our hand can help us open the door safely. In fact, in the access control system, there is an…

What is Access Control System ?

Do you know what is Access Control System ? In fact , it is very related to all of us . Access Control System also called access management control system or ACS, it is a digital management system for people to enter and exit. Access control…