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FAQ

Security technology is a broad, complex topic. The FAQ section will shed light on some of the more puzzling issues and provide answers to important frequently asked questions.

What is a master key system?

Information on master keys and group keys.

Which master key system types are there?

The differences between master key systems in detail.

What are protected keys?

A key must be technically, organisationally and legally protected!

What exactly does key copying protection mean?

A detailed look at the topic of key protection.

How do I measure cylinder lengths?

How to determine the correct
cylinder length for you!

Where can I hand in an EVVA key that I have found?

Details of where you can report that you have found a key!

Questions on mailbox systems?

Answers for interested parties looking to or having to replace mailbox systems.