This earpiece is compatible with Kenwood TWO PIN MODELS INCLUDING:- PROTALK, TK361, TK3101, TK3201, TK3301, TK3401D, TK3501, TK3601D, TK3701D, TK250, TK350, TK255, TK355, TK259, TK359, TK260, TK360, TK2160, TK3160, TK2170, TK3170, TK2360, TK3360, TK2000, TK3000, TK2202, TK3202, TK2302, TK3302, TK270, TK370, NX1200, NX1300, TK-D240, TK-D340, NX3220, NX3320, TK2312, TK3312, NX220, NX320, TH-K4E, TH-K2E, TH-F7E, TH-D72E, TH-D7E, TH-K40A, TH-K20A, TH-K40E, TH-K20E, TH-D74E etc.
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