David Clark Radio Interface Module U3810 | Part 18884G-01

Integrate your mobile radio with a David Clark Series 3800 Intercom System using the U3810 Radio Interface Module, designed for reliable communication in rugged environments.

• Connects a single mobile radio to a Series 3800 intercom system
• Supports both transmit and receive radio functions across all stations
• Ideal for 2–3 user systems sharing a common push-to-talk (PTT)
• Weather-resistant, impact-resistant housing for vehicle installations
• Compatible with David Clark C3821 radio interface cords

The David Clark U3810 Radio Interface Module (Part Number 18884G-01) is a compact, durable unit designed to enable full radio integration within a Series 3800 headset communication system. Built for use in mobile platforms such as fire trucks, emergency vehicles, and command units, the U3810 allows up to three users to share a single mobile radio with simultaneous transmit and receive capability. Housed in a rugged, weather-resistant polycarbonate enclosure, this module is engineered to withstand demanding operational environments. It features standard MS-type connectors and is designed for surface mounting inside vehicle interiors, enabling a clean, modular installation for mission-critical communications.

• Model: U3810
• Part Number: 18884G-01
• Input: System input and remote PTT (push-to-talk)
• Output: Radio interface with transmit/receive capability
• User Capacity: Supports 2–3 users sharing one radio
• Enclosure: Weather-resistant, heavy-duty polycarbonate
• Power: 12V or 24V DC input via Series 3800 system
• Mounting: Surface-mounted with MS-style connectors
• Application: Fire apparatus, rescue vehicles, mobile command units