https://devzone.nordicsemi.com/f/nordic-q-a/14372/ble-without-antennahi, i gonna make a single wireless communication between nRF51822 chip and smartphone(nRF Toolbox) . i can download some refernece layout of nRF51822 chip but there isn&#39;t patttern design information of monopole antenna. can i use the short rangeen-USTelligent Community 13Wed, 08 Jun 2016 10:53:39 GMThttps://devzone.nordicsemi.com/thread/54875?ContentTypeID=1Wed, 08 Jun 2016 10:53:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:81946d3e-1867-4cfc-86da-a5e70fce032cMartinBL<p>We have some white papers <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.whitepapers/dita/whitepapers/white_papers.html?cp=10">here</a>. &quot;<em>nWP008 - λ/4 printed monopole antenna for 2.45 GHz</em>&quot; delves into antenna design. It was written for the legacy nRF24 SoCs, but I guess it should be transferrable to nRF5.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/54874?ContentTypeID=1Wed, 08 Jun 2016 09:17:18 GMT137ad170-7792-4731-bb38-c0d22fbe4515:55377369-b043-4c27-9fc8-48eef613c8c0RichieJH<p>Well for the small cost of a dongle, DK or EVK you could always cut the trace to the antenna as a quick and dirty experiment to see if the result met your requirements.</p><div style="clear:both;"></div>