https://devzone.nordicsemi.com/f/nordic-q-a/3981/advertisement-interval-sniffer-packetsHi ! Here my adv setting (slow interval) to advertise every seconds : #define APP_ADV_INTERVAL_SLOW 0x0664 /** This value corresponds to 1022.5 ms). #define APP_SLOW_ADV_TIMEOUT 0 Now, i&#39;m using nrf_sniffer to verify this interval : en-USTelligent Community 13Fri, 24 Oct 2014 13:44:15 GMThttps://devzone.nordicsemi.com/thread/14316?ContentTypeID=1Fri, 24 Oct 2014 13:44:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e6d647e1-a0cd-4128-a0c8-eec5c8db6ec4Petter Myhre<p>Please thank Håkon by accepting his answer. Click the grey circle with a check mark in it.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/14315?ContentTypeID=1Fri, 03 Oct 2014 09:38:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9824ce30-c633-4c0a-b870-83d8856f1e7cthomas<p>Ok</p> <p>Thanks !</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/14314?ContentTypeID=1Fri, 03 Oct 2014 09:09:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:26f7f2d1-eac5-4a17-aab9-37831591d198H&#229;kon Alseth<p>Hi Thomas,</p> <p>Yes, this is normal. For every advertising interval, the peripheral will send out this advertisement on the three dedicated RF advertising channels.</p> <p>Cheers, Håkon</p><div style="clear:both;"></div>