Set Finger Ptt 6 Pin Hands-free Microphone Speaker For Kenwood Tm-261a Tm461a Tm-471a Tk-630 730 760 768g Car Mobile Radio - Ac/dc Adapters - AliExpress
Amazon.com: Kymate KMC32 DTMF Microphone for Kenwood Radios TM-271 TM481 TM-D710A TM-V71A NX700 NX800 TK8180 TK7360 TK8108 TK8160 Mobile Radio Remote Speaker Mic 8-Pin : Electronics
DTMF microphone 8p8c RJ45 plug for Kenwood TM-D700 TM-D710 TM-G707 TM-733 etc. - TechnoFix UK