https://devzone.nordicsemi.com/f/nordic-q-a/129253/ble-receiver-shutting-down-periodicallyWe are using the nRF54L15 chip in a new product that is essentially a sniffer. We periodically turn the receiver on for 5 to 10 seconds to sniff for BLE advertisements from a curated list of devices. Using the power profiler (or a JouleScope), we seeen-USTelligent Community 13Thu, 24 Sep 2026 09:05:30 GMThttps://devzone.nordicsemi.com/thread/571530?ContentTypeID=1Thu, 24 Sep 2026 09:05:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5ed9b997-3e3b-420f-a027-04ef1cf66e67Kazi Afroza Sultana<p>Tht&#39;s great. You have solved the issue.</p> <p>nRF radio listens to only channel at a time as you mentioned. For this, Every auxiliary packet the scanner needs to work on has precise time for receiving on a specific channel.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/571525?ContentTypeID=1Thu, 24 Sep 2026 08:55:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:91499780-9cd2-4f86-ae45-777a859912b9Kazi Afroza Sultana<p>Hello,</p> <p>The usual RX current for 1Mbps/2Mbps BLE mode is 2.1mA and startup current is 1.6mA.&nbsp;</p> <p><img style="max-height:240px;max-width:320px;" src="https://devzone.nordicsemi.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/4/pastedimage1790239851496v1.png" alt=" " /></p> <p>We haev documentation to check excess current for system on Idle, System on IDle with LED on. But here you have Radio communication on. What you are observing on the sniffer? Can you send us the PPK file?</p> <p>Thanks.</p> <p>BR<br />Kazi</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/571506?ContentTypeID=1Wed, 23 Sep 2026 18:29:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e546bedb-377e-44c0-b24e-feb9d9f0cebflgseal<p>We figured it out.&nbsp; Samsung phones (mine at least) use an egregiously long delay between the chunks of extended advertisements.&nbsp; The NCS softdevice can only &quot;follow&quot; 1 at a time.</p><div style="clear:both;"></div>