https://devzone.nordicsemi.com/f/nordic-q-a/61687/change-from-ble5-long-range-to-ble4-on-the-flyUsing nrf52840, is it possible to change advertisement from BLE5 long range to BLE4 on the fly? i.e. interval of 2 sec, first BLE5 long range, than BLE4 and so onen-USTelligent Community 13Fri, 22 May 2020 13:07:41 GMThttps://devzone.nordicsemi.com/thread/251269?ContentTypeID=1Fri, 22 May 2020 13:07:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:537cd23a-d1a7-4bd2-8310-ed095be14138Simonr<p>Hi</p> <p>This should not be a problem, but you will have to stop advertising in order to change the PHY from Coded_PHY to 1MBPS_PHY when going from long-range to BLE v.4.x and back.</p> <p>You can check out our <a href="https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/testing-long-range-coded-phy-with-nordic-solution-it-simply-works-922075585">long-range just works blog post</a>, where this is done by pressing buttons on the DK, but you should be able to set a timer to take care of the switch. You can use the source code from the blog as a reference.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>