Uniden SM81 Speaker Microphone [SM81] Brand_Rupp Marine Dedicated key that allows programming

Dedicated key that allows programming and quick selection of up to 10 favorite Marine VHF or NOAA Weather channels

1" Bell Diameter x 14

Optional speaker microphone or headsets are available to assist with your communications needs

Its simple design makes installation a snap

Uniden SM81 Speaker Microphone [SM81] Brand_Rupp Marine Dedicated key that allows programmingSM81 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)