As an experiment I quickly tried the QMX+ on 6m FT8. Power was about 3W and several UK spots were obtained with the V2000 vertical omni. For some reason the RX level on 6m appears too low. Further investigation is needed.
So far, I have tried it on 15m, 10m and 6m. I wonder if it would work on 8m? Maybe I should try it on 160m FT8 with the earth-electrode "antenna" in the ground assuming the match is good.