Garmin Fist Microphone Extension Cable - VHF 210/215 GHS 11/11i - 3M [010-12523-00]Fist Microphone Extension Cable VHF 210 215 & GHS 11 11i 3M Give yourself a little room when using your compatible VHF radio with this 12 pin fist mic extension cable. Available in 3M (10') WARNING: This product can expose you to chemicals which are 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: Mounting Brackets Box Dimensions: 2"H x