[{"id":189145677960,"handle":"coupon-eligible","title":"Coupon Eligible","updated_at":"2026-01-06T20:26:27-05:00","body_html":"","published_at":"2020-12-14T21:11:58-05:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"not_equals","condition":"Lightspeed Aviation"}],"published_scope":"global"},{"id":174246985864,"handle":"david-clark","title":"David Clark","updated_at":"2026-01-06T20:26:27-05:00","body_html":"\u003cp data-mce-fragment=\"1\"\u003eDavid Clark Company has pioneered air and space crew protective equipment design, development and manufacture since 1941, with products ranging from anti-G suits to space suits.\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003eDavid Clark Company's tradition of providing crew protective equipment for leading edge, manned aerospace programs continues into the future, as our designers apply their expertise to passenger and crew protection in the commercial space flight market.\u003c\/p\u003e","published_at":"2020-03-11T14:53:53-04:00","sort_order":"best-selling","template_suffix":"","disjunctive":true,"rules":[{"column":"vendor","relation":"equals","condition":"David Clark"}],"published_scope":"web","image":{"created_at":"2020-09-29T23:30:06-04:00","alt":"Shop for David Clark products.","width":800,"height":800,"src":"\/\/www.pilotshq.com\/cdn\/shop\/collections\/David_Clark_Logo1.jpg?v=1672277318"}},{"id":172784943240,"handle":"misc-aviation-headset-parts","title":"Misc. Aviation Headset Parts","updated_at":"2026-01-06T20:26:27-05:00","body_html":"","published_at":"2020-03-04T16:24:31-05:00","sort_order":"best-selling","template_suffix":null,"disjunctive":true,"rules":[{"column":"type","relation":"equals","condition":"Misc. Aviation Headset Parts"}],"published_scope":"web"}]
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
I bought these for my Grandaughter who has her private Pilots license since she was 16. She is a Freshman in college studying Aviation. She was so excited to get them and just loves them!!