GDI Communications LLC manufactures and supplies high quality communications products for the Transportation and Traffic Control industries.

GDI embraces the entire communication spectrum of technologies and controller plug-in units including:

• Analog Communications over Telco/Private Wire including Digital Telephone Interfaces.

• Wireless Solutions supporting Data, Voice, Video and Networking.

• Fiber Optic Communications supporting Data, Voice, Video and Networking.

• Traffic Controller Plug-in units including Load Switches, Flashers, DC Isolators, AC Isolators.

Regardless of the communication medium, GDI can supply the necessary solutions.