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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
Ordering was easy. Spoke with a professional and friendly person.
Shipping was fast only two days.
Used the product on a boat outboard motor and bracket.
Excellent primer for bare aluminum.
Couldn’t have gone better from ordering to product results.
Thank you!
I built this kit as a teenager most of 55 years ago. The kit is essentially the same, but now they’re laser cut. In the past, the panels were die-cut, sometimes you get one done with a dull cutter. That took a lot of extra time, carefully re-scoring everything with a narrow Exacto blade so the pieces wouldn’t split. This kit is so crisp, it’s a joy to assemble. It’s fun seeing old reflexes come to life while assembling this baby. I only have the FW-190 from those years, but also built this one (the Hellcat), the Spitfire, Me-109, and the P-40. Good times!
