Home About Us Contact Romana  GPS AVL Systems  CNC Foam Cutters  Intercoms    Central Unit    Interior Unit    Digital Key    Electromagnetic Lock    Floor Distributor    Power Supply    Door Shock Absorber  PC Audio   DIGITAL KEY INTERCOM SYSTEMS Floor Distributor - mounted on each floor of the building; - selects maximum nine interior units per floor; - conected through the common vertical four wire link to the central unit.         © ERC - 2005