I added a 3rd 3.5mm plug to the open hardware AIOC sold by NA6D to send the serial data to the CAT port on my uSDX+ SDR radio.
Building a uSDX+ all in one cable (AIOC) using the K1-Connect open hardware board from NA6D
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I added a 3rd 3.5mm plug to the open hardware AIOC sold by NA6D to send the serial data to the CAT port on my uSDX+ SDR radio.