https://devzone.nordicsemi.com/f/nordic-q-a/9406/nrf51822-radio-range-measurementsI&#39;m putting an nRF51 into an existing electronic device where I can&#39;t change the case at all. That means that my antenna will be very sub-optimal. However, I don&#39;t need very long range so it might be made to work. I&#39;d like some guidance about how to measureen-USTelligent Community 13Wed, 14 Oct 2015 11:46:16 GMThttps://devzone.nordicsemi.com/thread/34712?ContentTypeID=1Wed, 14 Oct 2015 11:46:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bc6a972a-35bc-43ec-befd-c6d6499b87c4MartinBL<p>Hi. I&#39;m so sorry for the late response. I suggest that you take a look at our <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.whitepapers.v1.0.0/white_papers.html?cp=11">white paper on RF Performance Test Guidelines</a> and the <a href="http://infocenter.nordicsemi.com/topic/com.nordic.infocenter.sdk51.v9.0.0/ble_sdk_app_dtm_serial.html?resultof=%22%44%69%72%65%63%74%22%20%22%64%69%72%65%63%74%22%20%22%74%65%73%74%22%20%22%6d%6f%64%65%22%20">Direct Test Mode (DTM) example</a> in the SDK.</p><div style="clear:both;"></div>