Qyt Kt8900 Programming Cable Pinout Top [verified] -

While the OEM software exists, it is often clunky and poorly translated.

Here is the for the QYT KT-8900 (and most QYT/Kenwood clones like the KT-7900, KT-8900D, and BTECH UV-2501) : qyt kt8900 programming cable pinout top