https://devzone.nordicsemi.com/f/nordic-q-a/15587/is-nrfgo-is-fully-fonctionnal-with-segger-jlink-basicHi, In order to start my own board with nRF52 component throught SWD, I think I&#39;ve to use Segger Jlink. I expect to buy the basic version, that sound good for me, but I read somewhere (I don&#39;t find it out again) that Segger jlink+ may be required toen-USTelligent Community 13Fri, 05 Aug 2016 13:41:44 GMThttps://devzone.nordicsemi.com/thread/59472?ContentTypeID=1Fri, 05 Aug 2016 13:41:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1d83d4ba-14ab-44b8-980f-8b89950ba81cVidar Berg<p>Hi,</p> <p>All j-link models are compatible with the 52 series, so the BASE version will work. It&#39;s only if you want to utilize the <a href="https://devzone.nordicsemi.com/blogs/909/debugging-nrf52-series-devices-using-trace/">ETM trace</a> feature that you will need the more expensive J-trace model.</p><div style="clear:both;"></div>