M & S SYSTEMS DS-3B Door Intercom Station with Bell Button
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Questions & Answers
There is a DMC intercom that runs on a transformer that you need to connect this to.
What do I need to do to install one outside near my front door and one inside to speak with visitors outside? Do I need to run any wires to them?
Compared with our old one, which was installed likely between 1989 and 2001, this one had the same dimensions.