David Clark C99-20MS Wireless Interface Cord - 40935G-05

The David Clark C99-20MS System Cable (40935G-05) is an interface cord designed to connect a David Clark Universal Gateway Wireless System to a David Clark 3100 or 3400 Series Intercom System. In practical aviation ground support terms, it allows operators to bridge a wireless gateway into an established wired intercom infrastructure, supporting clearer team coordination for maintenance bays, hangar operations, and ground handling workflows that benefit from wireless mobility. This cable is also useful in industrial, marine, and utility environments where David Clark intercom platforms are installed and wireless coverage is being added to support moving crews and vehicle-based teams.

• Interfaces a Universal Gateway with David Clark 3100 or 3400 Series intercom systems.
• Connects from the Universal Gateway to the system input port of compatible 3100 or 3400 Series headset station modules.
• Supports hybrid wired and wireless communication layouts where teams need both fixed stations and mobile users.
• Purpose-built David Clark system cable to reduce guesswork compared to improvised adapter solutions.

Key Features

• Designed specifically for integrating a U9921-GUV Universal Gateway into 3100 or 3400 Series intercom architectures.
• Supports cleaner system expansion planning for hangar and ramp operations where wireless mobility improves efficiency.
• Helps maintain more consistent audio and control behavior by using a cable designed for the platform.

When you need to connect a David Clark Universal Gateway into a 3100 or 3400 Series intercom installation for aviation ground support or industrial operations, the David Clark 40935G-05 C99-20MS cable provides the correct, purpose-built interface for a cleaner system expansion.