Problems about electronic access control

1, now the development of access control should be said to be relatively safe. Generally, destroying the controller can only make the entrance guard take effect, but can't open the door.

2. There are smart locks connecting mobile phones and telephones in the market. Connected by telephone line, it can not only send signals, but also remotely open the door.

3. yes.

4. The contents included in the access control system cannot be generalized. Controller, electronic lock and power supply are necessary, but sometimes they are integrated together. Not every access control system needs a door closer.

5. Yes, it is necessary.

The choice of access control has a great relationship with the place of use.

I hope it helps you.