https://devzone.nordicsemi.com/f/nordic-q-a/35330/nrf51-rssi-questionHello, I am currently working on the development related to RSSI of beacon using nRF51_SDK_9.0.0_2e23562(SDK). The beacons I’m using are developed with this SDK as well. I placed beacons away from my phone about 1.1m and 1.3m, and checked RSSI ofen-USTelligent Community 13Tue, 12 Jun 2018 13:27:38 GMThttps://devzone.nordicsemi.com/thread/135755?ContentTypeID=1Tue, 12 Jun 2018 13:27:38 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cef71789-fc3f-49e6-9579-62e8e0f84c24Andreas<p>Hi,</p> <p>&nbsp;</p> <p>This is common when measuring radiated,&nbsp;pretty much everything in your surroundings will affect how the signals are reflected towards the smart phone. Even small, presumably negligible changes can/will have an impact.</p> <p>&nbsp;</p> <p>The signal strength is not all that great at 1m though, have you <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.whitepapers/dita/whitepapers/pdflinks/nwp_017.html?cp=11_10">tuned your antenna</a>?</p> <p>&nbsp;</p> <p>Best regards,</p> <p>Andreas</p><div style="clear:both;"></div>