EmBest 8 Pin Dtmf Modular Plug Remote Speaker Mic Microphone Ptt Compatible For Kenwood Tm-D700A, Tm-D710A, Tm-G707A, Tm-V7A, Tm-V71A, Tm-V708A Compatible with that require Modular 8-pin plug* TK-768G/TK-868G, TK-768GC/TK-868GC, TK-768GM/TK-868GM, TK-7100/TK-8100, TK-7108/TK-8108, TK-7360/TK-8360, TK-90* TKR-750/TKR-850* TS-480* TM-251A/TM-451A/TM-551A, TM-255A/TM-455A, TM-261A/TM-461A, TM-271A/TM-471A, TM-281A/TM-481A* TM-642A/TM-742A/TM-942A, TM-732A, TM-733A, TM-741A/TM-941A* TM-D700A, TM-D710A, TM-G707A, TM-V7A, TM-V71A, TM-V708A Modular 8-pin plug with DTMF keypad Just clip the speaker mic where convenient and use it to listen and transmit. Push-To-Talk button and microphone are located on the accessory for quick and easy use. Heavy duty push to talk PTT button located on the side and easy slid-on metal clip at the back. DTMF(Dual Tone Multi Frequency) function will open the radio's squelch only when it receives a DTMF code that matches one pre-programmed into your receiver. Each tranceiver is normally programmed with a unique code