Get a free design on an Intercom System now! Our industrial Intercom Systems are loud two way intercoms designed for harsh loud environments. Atkinson Dynamics Intercoms are engineered to deliver dependable performance, maximum flexibility, and extended service life under the harshest conditions. Federal Signal’s intercoms feature wall-mount, two-way communications, desktop, safe area, and hazardous environment intercoms. Our modular design enables you to specify a system with an unlimited number of stations, customize a system for a variety of environments, and further expand your system in the future.