Spec Sheet Preview: The Alpha Communications® IS407C (V.I.P.™ series) apartment intercom stations are designed specifically to minimize vandalism and tenant abuse. Made from .035" thick solid stainless steel, with solid metal push-buttons, these stations are made to last. A high sensitivity 2.75" (70mm) speaker assures clear voice communication, as well as tone signal response. The IS407C can be mounted flush on our popular IH101 flush back box or IH102 flush mounting ring. For surface mount requirements, use the IH700G …