Intellitron DM-5299 interface cable for FT-710?

[Richard_Langevin]

Intellitron DM-5299 interface cable for FT-710?

[Harry_Mamaux]

Your FT-710 uses a modular microphone connector (square). You need the DMC-5290MX (modular to modular)

https://www.gigaparts.com/intellitron-dmc-5290mx-microphone-cable-for-dm-5297-and-dm-5299-8-pin-modular.html