which app should I use when I want to do LL BQB test with harmony on nRF52840?

[wanggang1]

which app should I use when I want to do LL BQB test with harmony on nRF52840?

it can not connected with harmony when I use DTM project. It seems the interface of  nRF52840 is a  2-wire uart.

But harmony send HCI command through uart with H4 type.  

[wanggang1]

So where can I get the "qualified design" for the nRF52840 and S140 combination?

could you share the website for me ? 

Thank you very much

[run_ar]

You can find the correct qdid in our compatibility matrix.