Uniden SM81 Speaker Microphone [SM81] Brand_Rupp Marine Its simple design makes installation

Its simple design makes installation a snap

The 399-1M can be strapped to a larger mast using steel banding (not supplied)

keeping you up-to-date with all the latest marine activity

UPC: 731797013378

Dispersion@100Hz 75' conical

Uniden SM81 Speaker Microphone [SM81] Brand_Rupp Marine Its simple design makes installationSM81 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)