https://devzone.nordicsemi.com/f/nordic-q-a/105901/nrf9160---custom-board-antenna-hardware-and-prjGood day We have discovered an issue with our custom nrf9160 and can&#39;t determine if it is a hardware or configuration issue. We have uploaded a simple lwm2m client on both the thingy91 and our custom board. The registration updates as well as otheren-USTelligent Community 13Tue, 28 Nov 2023 12:58:09 GMThttps://devzone.nordicsemi.com/thread/457843?ContentTypeID=1Tue, 28 Nov 2023 12:58:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:39bdd653-6359-4c22-b2f1-7f6a24724cc6Hkhan7861<p>Hi&nbsp;<a class="internal-link view-user-profile" href="https://devzone.nordicsemi.com/members/ketiljo">ketiljo</a></p> <p>We have seen and tested your suggestion and it seems that is has solved a variety of our issues.&nbsp; Thank you !</p> <p>Kind regards,</p> <p>Hassan</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/456602?ContentTypeID=1Tue, 21 Nov 2023 08:12:21 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ec350ccd-4977-4c30-b8ed-9149f9a2ddefketiljo<p>The ANT pin expects a 50 ohm load (antenna). So in case where you have a&nbsp;coax&nbsp;connector and cable for the antenna, you should not have any components between the connector and the ANT pin. Remove C20 and L3 and set C18 to 0R and see if it becomes better.&nbsp;</p><div style="clear:both;"></div>