https://devzone.nordicsemi.com/f/nordic-q-a/95878/nrf52840-current-consumptionHello Team, We have used the 451-00001 Laird module in our design. We are currently working on optimizing the sleep mode current. As of now, we are getting for device &lt;100uA where nrf52840 only taking 1uA. We are able to test a few samples on that boarden-USTelligent Community 13Thu, 19 Jan 2023 14:30:26 GMThttps://devzone.nordicsemi.com/thread/405710?ContentTypeID=1Thu, 19 Jan 2023 14:30:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f1cc7386-2a6a-4a68-9eaf-0c68ee5b6b76Kenneth<p>I would have started with:&nbsp;<br /><a href="https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/optimizing-power-on-nrf52-designs">Optimizing Power on nRF52 Designs</a>&nbsp;</p> <p>Floating pins?</p><div style="clear:both;"></div>