Profile: Larry McGee Co., Inc. is a designer and manufacturer of communication & control systems. Our products include intercoms, communication control consoles, remote radio operating devices and other communication & control devices. We offer custom engineering and design services. We specialize in audio and control circuit design. Our use of micro controllers enables us to design compact and versatile devices. Our alarm panel monitors the status of a loop fire alarm circuit. It includes visual indicators of line condition and allows maintenance personnel to compensate for various circuit conditions. An unusual feature of this system is a telegraph key used to communicate to field service personnel.