Spec Sheet Preview: The Alpha Communications® IS481C (V.I.P.™ series) apartment intercom stations are designed specifically to minimize vandalism and tenant abuse. Made from .035" thick solid stainless steel, with metal push-buttons, these stations are built to last. A high sensitivity 2.75" (70mm) speaker assures clear voice communication, as well as tone signal response. The IS481C is designed to be mounted flush, over existing Loeffler (or equivalent) series oversized flush back boxes, a …