https://devzone.nordicsemi.com/f/nordic-q-a/4630/directed-advertisementhello, I am trying to direct advertisement on NRF51822 board.When giving the peer address i am confused that how to specify the address type of the device, whether BLE_GAP_ADDR_TYPE_PUBLIC or BLE_GAP_ADDR_TYPE_RANDOM_STATIC. How to give this typeen-USTelligent Community 13Fri, 04 Mar 2016 15:24:57 GMThttps://devzone.nordicsemi.com/thread/16455?ContentTypeID=1Fri, 04 Mar 2016 15:24:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:19fcfe13-dc37-43bd-ae1d-ef702749662fmakouda<p>you mean 1.28 ms</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/16454?ContentTypeID=1Tue, 02 Dec 2014 12:09:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:55e34565-87d6-4653-9263-d35ea564a412Aiswarya <p>Thank you Petter</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/16452?ContentTypeID=1Sat, 29 Nov 2014 13:41:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7343f5cf-cff4-4ab0-ae5a-8b5a664c14b6Petter Myhre<p>I think you want non-connectable undirected advertising, not directed advertising.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/16453?ContentTypeID=1Fri, 28 Nov 2014 15:29:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0ede16dd-06a0-4988-8d6f-ea370868ff02Petter Myhre<p>Please see <a href="https://devzone.nordicsemi.com/question/6496/gap-address-types/">this</a> for an explaination of the different address types, I think you should use <code>BLE_GAP_ADDR_TYPE_RANDOM_STATIC</code>.</p> <p>The directed advertising packets only include the peripherals address and the centrals address, please see <a href="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/8524.Core_5F00_v4.1.pdf">Bluetooth Core Specification 4.1</a>, Volume 6, Part B, Section 2.3.1.2.</p> <p>Directed advertising with high duty cycle only lasts for 1.28 seconds, and is normally used to do fast reconnections. For slower reconnections, you can use directed advertsing with low duty cycle. Some more detail on directed advertising can be found in <a href="https://devzone.nordicsemi.com/question/70959/advertisment-directeddiscoverable/?answer=71073#post-id-71073">this</a> post.</p><div style="clear:both;"></div>