This Product KPG-22 (2-jack Plug) works in following models:

Kenwood:

TH-F6, TH-F7, TH-G71, TH-K2, TH-K4, TK-2100, TK-2101, TK-2102, TK-2107, TK-2118, TK-2160, TK-2201, TK-2202, TK-2206, TK-2207, TK-240, TK-249, TK-250, TK-253, TK-255, TK-260, TK-260G, TK-270, TK-270G, TK-272, TK-3101, TK-3102, TK-3107, TK-3118, TK-3160, TK-3201, TK-3202, TK-3206, TK-3207, TK-340, TK-378, TK-378G, TK-430, TK-431.

HYT:

TC-268, TC-268S, TC-270, TC-270S, TC-368, TC-368S, TC-370, TC-370S.

Relm:

RPU416A, RPU499A Plus, RPV516A, RPV599A Plus. TK-3178,etc.

And the most radio from China.