... Ω+/-15%,Sensitivity:82dB+/-3dB,Frequency response:200Hz-20KHzKMC-25 Fit KENWOOD TK385,TK480,TK280,TK380,TK2140,TK3140 ... HMN3596,PMMN4007,RMN5068 Fit Motorola CM and GM ,GTX servier Mobile,CM300, CM200, GM300, M10, M120, M1225, M1225 ... TK2118,TK3118, TH-K2AT,TH-K4AT etc...KMC-25 KMC-26 Fit KENWOOD TK385,TK480,TK280,TK380, ... with coil cord MH-36B,MH-42B,MH-48 Fit YEASU/VERTEX FT100,FT90,FT8100 (RJ12) ...