The Yaesu CT-91 is a two pin microphone adapter. It allows the connection of select Yaesu two pin mics to the VX-170. Additionally, it makes for the easy interconnect of commonly available connectors wired to your TNC. Please see page 11 of the VX-170 Owner's Manual for more information.

Adapts single Speakermic jack into seperate speaker & mic jacks.
Fits Yaesu VX-7R, VX-6R, FT-270R, FT-277R, VX-170, VX-177, VXA-710, VXA-330
Fits Standard HX-500S, HX-600, HX-370, HX-471, HX-270
Fits Radios Compatible with CMP-460A, MH-57A4B & MH-73 Speakermikes
Also works for Alinco DJ-G7T, DJ-V17T/27/47T

Packing List:
1x Yaesu CT91 Microphone cable