When I inquired I was answered by someone in Germany.
He said this radio is a next generation of the LD-11, a step above it. It looks like the price is in the same neighborhood.
Aerial-51 “SKY-SDR”
11 Band SDR-DSP hf + 6m QRP Transceiver
https://www.aerial-51.com/new-sky-sdr/
Nice site, interesting browse. Their manual is similar to the LD-11 manual but with a bit more detail.