https://devzone.nordicsemi.com/f/nordic-q-a/6128/nrf51822-2-4ghz-radio-questionsHi! I am using the nRF51822 to do some measurements regarding the capture effect ( en.wikipedia.org/.../Capture_effect). My question now is: when does the radio latches onto a signal? Is it after a few bits of the preamble, the full preamble oren-USTelligent Community 13Mon, 23 Mar 2015 14:06:32 GMThttps://devzone.nordicsemi.com/thread/21451?ContentTypeID=1Mon, 23 Mar 2015 14:06:32 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cebe434a-3568-4399-a9a4-a475a006b6daAsbj&#248;rn<p>It uses the preamble to lock the receiver on the signal and starts comparing bits at the end of the preamble. It&#39;s pretty much the same as what&#39;s known as synch words.</p> <p>The difference between the two modes of operation you refer to is the signal deviation. <a href="https://www.nordicsemi.com/eng/nordic/download_resource/20339/13/4789579">See chapter 8.5.1 in the nRF51822 product specification.</a></p><div style="clear:both;"></div>