Icom Speaker Microphone by Stone Mountain SI1NXLXX

Sword waterproof IP 67 rated Speaker Microphone for Icom, Fits F11, F11S, F14, F21, F21S, F24, F33GS, F33GT, F43GT, F43TR, F3021, F4021.
•Waterproof – IP 67 rated.
•Built to meet Mil-Std 810 D E & F specifications.
•All-Clear microphone and acoustic speaker porting for superb audio quality.
•Extra large belt clip for secure attachment.
•Large 50mm speaker for clear communication in loud environments.
•Solder-less electrical assembly and dependable gold contacts throughout.
•Field serviceable.
•24 month warranty.