https://devzone.nordicsemi.com/f/nordic-q-a/13942/nrf51822-ant1-and-ant2-pin-connections-to-johanson-balun-2450bm14e0003tHi , Have connected ANT1 of NRF51822 to Balanced port Pin4 of Balun and ANT2 to Balanced port Pin3 of Balun 2450BM14E0003T. Can you please confirm this connection is OK ? Attached is the connection diagram Regards, Anilen-USTelligent Community 13Thu, 19 May 2016 16:03:27 GMThttps://devzone.nordicsemi.com/thread/53275?ContentTypeID=1Thu, 19 May 2016 16:03:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9b7e6078-97d1-4c84-927c-0f1c7f9659e3Anil_Anehas<p>Thanks a lot Martin.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/53274?ContentTypeID=1Thu, 19 May 2016 11:33:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dcba16cb-3627-411e-970f-5ccb12479a91MartinBL<p>That looks good. Have a look at Application note AN020 <a href="http://www.johansontechnology.com/nordic.html">here</a>. It confirms that your schematic is correct and it even has a reference layout.</p><div style="clear:both;"></div>