https://devzone.nordicsemi.com/f/nordic-q-a/105723/nrf9160-dk-antenna-trace-widthHi, I am looking a the the NRF9160 DK altium files. I was wondering how the antennas traces width were determined to be 0.19mm ? Does Altium report the real stackup used ? altium indicates a total different width needed to match 50omhs : Thanksen-USTelligent Community 13Tue, 21 Nov 2023 20:04:53 GMThttps://devzone.nordicsemi.com/thread/456783?ContentTypeID=1Tue, 21 Nov 2023 20:04:53 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c46ecb9b-b085-4edf-8ee4-fbd4d9dda70dscjr_dev<p>Perfect thanks.</p> <p>Seems like Altium just not report the correct width then.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/456724?ContentTypeID=1Tue, 21 Nov 2023 14:52:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4a3375cc-23ee-438c-8987-c70001edf58aketiljo<p>The stackup seems to be correct, this is the actual board:</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1700577760262v1.png" alt=" " /></p> <p></p> <p>If you calculate a coplanar waveguide in <a href="https://www.broadcom.com/info/wireless/appcad">AppCad</a>, you get this:</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1700578301579v2.png" alt=" " /></p><div style="clear:both;"></div>