Specialty Modules

U3810 Radio Interface Module
Provides radio transmit capability for entire intercom system
- Adds the radio transmit and receive functions of a mobile radio to the intercom system
- Recommended for small systems only (2-3 positions maximum)
- Simple installation
- Dimensions: 5-1/4" L x 5-1/4" W x 2-3/4" D
Key features include:
- One system input connector (C38-XX)
- One radio input connector (C3821)
- Two optional remote PTT connectors
- Radio transmit momentary PTT switch
- Note: All intercom traffic is transmitted when PTT is engaged

U3803 Intercom Remote Junction Module
Provides a path for expansion of the intercom system
- Passive module
- Expands the system beyond the Master Station
- Contains 4 system connectors for "daisy-chaining" intercom system modules (C38-XX)
- No controls or direct headset interface
- Simple installation
- Dimensions: 5-1/4" L x 5-1/4" W x 2-3/8" D

U3805 Radio Interface Junction Module
Collection point for multiple radio interface cables; simplifies system interface to mobile radio
- Passive module
- Recommended for systems utilizing two or more radio interface Headset Stations
- Provides a method for connecting up to four radio interface cords (C3821, through 18352G-17 connector kit) to one mobile radio (C3821)
- Simple installation
- Dimensions: 8-1/2" L x 5-1/4" W x 3-1/8" D
Key features include:
- One radio output connector (C3821)
- One primary radio interface input connector (18352G-17)
- Three secondary radio interface input connectors (18352G-17)

M-RIM Multi-Radio Interface Module
Provides system with connection for up to four additional mobile radios
- Provides a simple method to increase the number of radios connected to the host system
- Surface-mount or flush-mount via optional flush mount kit (M9840FM)
- Marine-grade, water-tight module
Key features include:
- Four radio receive on/off toggle switches
- One 4-position radio transmit selection rotary switch
- One power connector (requires 11-30VDC via C98-20PW Power Cable, not included)
- Four radio input connectors (accepts C98-20RD series radio interface cables, not included)
- C98-20RD Cable (not included) for radio and host system interface*
- *18352G-05 Connector Kit, used with C98-20RD for host system interface to either Series 3800 intercom or 3800 Gateway (Wireless)