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David Clark Headset Radio Interface Module U3811 | Part 18932G-01
Enhance your Series 3800 intercom system with the David Clark U3811 Headset Radio Interface Module, designed for radio transmit and receive integration in mobile environments.
Provides radio transmit for one headset and radio receive for all users
Built-in push-to-talk (PTT) switch and volume control for headset user
Compatible with mobile radios and David Clark Series 3800 intercom systems
Rugged, weather-resistant polycarbonate housing for vehicle installations
Ideal for use in fire trucks, command vehicles, and emergency response units
The David Clark U3811 Headset Radio Interface Module (Part Number 18932G-01) enables a single user to transmit on a mobile radio while all users in the Series 3800 intercom system can receive the same radio communication. This module includes a headset jack with listen-level control, a built-in PTT switch, and input connectors for radio and intercom integration. Designed as the terminal interface in the system chain, the U3811 is best suited for installations that do not require further module expansion. Its weather-sealed, heavy-duty enclosure makes it ideal for demanding mobile environments where rugged, reliable communication is critical.
Model: U3811
Part Number: 18932G-01
Function: Single-user radio transmit with system-wide radio receive
Used 7 on heavily oxidized Airstream. Sanded off oxidation. Presto changeo, an almost mirror-like finish. Will stick with Nuvite. Important to follow instructional video.
This is an amazing aid to my fisning. Something serious inland fishermen should have. My only regret is that I didn't have this over the last 20 years.
