David Clark Radio Interface Module U3815 | Part 40136G-01

Enhance your mobile communication setup with the David Clark U3815 Radio Interface Module, designed to integrate a mobile radio into a Series 3800 intercom system.

• Provides both intercom and radio transmit capabilities for one user
• Includes headset jack, volume control, and built-in PTT switch
• Supports system expansion through dual intercom connectors
• Durable, weather-resistant polycarbonate housing
• Ideal for use in emergency vehicles and mobile command units

The David Clark U3815 Radio Interface Module (Part Number 40136G-01) serves as a key component in Series 3800 intercom systems, allowing a user to connect to a mobile radio for transmit and receive functions. Built for demanding mobile environments, this unit features a single headset jack, onboard push-to-talk (PTT) control, and system expansion ports. Designed with a rugged, weather-resistant enclosure, it performs reliably in high-noise, high-vibration applications such as fire trucks, rescue vehicles, and command centers. The U3815 simplifies communication flow by merging intercom and radio functions into one streamlined user interface.

• Model: U3815
• Part Number: 40136G-01
• User Capacity: Single user headset interface
• Controls: PTT switch, volume knob
• Connections: Radio input, two system I/O ports, optional remote PTT
• Enclosure: Heavy-duty, weather-resistant polycarbonate
• Power Input: 12V or 24V DC via Series 3800 system
• Application: Emergency vehicles, rescue trucks, command platforms