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David Clark Multi-Radio Interface Module M-RIM | 41021G-01
Enhance your mobile intercom system with the David Clark M-RIM Module, engineered to connect up to four mobile radios to a single intercom unit with seamless control.
Interfaces up to four mobile radios with one intercom system
Individual toggle switches for radio receive audio control
Rotary selector switch to choose the active transmit radio
Internal level adjustments for balanced audio across all channels
Rugged, weather-resistant design for mobile and vehicle use
The David Clark Multi-Radio Interface Module (M-RIM), Part Number 41021G-01, is a vital component for expanding the communication capabilities of Series 3800 or U9922-G38 intercom systems. This interface module allows operators to connect and manage up to four mobile radios simultaneously, with summed receive audio and a selectable transmit path. Designed for durability in mission-critical environments, the M-RIM offers intuitive controls, weather-resistant housing, and wide voltage compatibility. Perfect for emergency response, aviation ground support, and command vehicles requiring advanced communication routing and flexibility.
Part Number: 41021G-01
Module Name: M-RIM (Multi-Radio Interface Module)
Connectivity: Supports up to four mobile radios
Controls: Rotary transmit selector, toggle RX switches, internal gain controls
Input Voltage: 11–30 VDC
Housing: Weather-resistant, durable for vehicle installations
Compatibility: Series 3800, U9922-G38 intercom systems
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.
