Icom F Series F10, F11, F11S, F12, F15, F25, F12S, F20, F21, F21S, F22, F22S, F3, F33GS, F33GT, F34GS, F34GT, F3S, F4, F43GS, F43GT, F43TR, F44GS, F44GT, F4S, F4SR, F4TR, F3002, F4002, F44GS, FS25R. This earpiece compatible with two pin Icom radios.
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