Kenwood SMC34 Speaker Mic for Kenwood Handheld Radio Transceivers Speaker microphone for Kenwood Amateur, Two Way & FRS radios. Includes Rotary Volume control & 3 Function Keys. Fits all Kenwood Amateur, FRS, Ham & Commercial 2 way Handheld Radios having the ' 2-pin' Speakermike plug. Fits TH-F6A, TH-K20A, TH-D72, UBZ, LF, LH-14 & many other models.