CDVI ATRIUM 2 Door Controller / Expander in Metal Case - A22

The A22 is a 2-door controller that forms the heart of the ATRIUM access control system. ATRIUM can be networked into systems for up to 500 doors and 10,000 users. With a built-in power supply and web server, as well as a robust metal case, the A22 is the central component of a flexible and reliable access control solution. 

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