Uniden SM81 Speaker Microphone [SM81] Communication | CB Radios Includes one 24-gram CO2 cylinder

Includes one 24-gram CO2 cylinder

IP AutoSwitch option for multiple receiver installations - for simple auto-switching on Dish Pro and DiSEqC-compatible services

Includes terminal kit

The CM-Series is a long tested standard in mooring buoy design and is preferred by many boaters worldwide

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Uniden SM81 Speaker Microphone [SM81] Communication | CB Radios Includes one 24-gram CO2 cylinderSM81 Speaker Microphone Uniden's SM81 Marine VHF Speaker Microphone replaces Uniden's HHSPM. WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov. Specifications: Type: Microphones Box Dimensions: 2"H x 4"W x 4"L WT: 0. 32 lbs Quick Guide (pdf)