https://devzone.nordicsemi.com/f/nordic-q-a/17379/how-is-rssi-related-to-real-dbm-value-in-nrf51-chipHello, I am aware that according to IEEE standards RSSI value that chips return is not officially related to mW/dBm. However the values returned by your chips seem to be translated to dBm. Could you tell me how accurate is the RSSI value (assumingen-USTelligent Community 13Thu, 27 Oct 2016 13:53:11 GMThttps://devzone.nordicsemi.com/thread/66822?ContentTypeID=1Thu, 27 Oct 2016 13:53:11 GMT137ad170-7792-4731-bb38-c0d22fbe4515:35fb193b-94ba-4960-9ccd-3c4a66b66473Bentleylust<p>Thank you very much for this information.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/66821?ContentTypeID=1Thu, 27 Oct 2016 13:47:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bcbda0a6-d416-4132-9456-e8c52a3d5ec0J&#248;rgen Holmefjord<p>RSSI <a href="https://infocenter.nordicsemi.com/topic/com.nordic.infocenter.s130.api.v1.0.0/structble__gap__evt__rssi__changed__t.html">is given in dBm</a>. See the answers in <a href="https://devzone.nordicsemi.com/question/12107/nrf51822-why-i-read-2complemenr-rssi-value/">this thread</a>. According to chapter 8.6 of the <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.nrf51/dita/nrf51/pdflinks/51822_ps.html?cp=3_3_0">nRF51822 Product Specification v3.3</a>, the accuracy is ±6dB. The nRF51 radio measures the strength of the received radio signal and calculates an approximate RSSI value from this.</p><div style="clear:both;"></div>