https://devzone.nordicsemi.com/f/nordic-q-a/3896/central-issues-connectionHi everyone. I am working with nRF51 to make two BLE device, One act as cetral and another as peripheral. I have implemented almost functions that the two devices are required. bonding procedure and exchanging data work well. Now, I would likeen-USTelligent Community 13Thu, 25 Sep 2014 07:32:06 GMThttps://devzone.nordicsemi.com/thread/14016?ContentTypeID=1Thu, 25 Sep 2014 07:32:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a29939ab-8348-45d7-802f-29d210b4909eAsbj&#248;rn<p>1 and 2: The Bluetooth core specification decides how the connection is established and it states that the connection must be established by a peripheral advertising and a central scanning and then responding to advertisements. So no, it is not possible in BLE to have the S110 peripheral stack listening for advertisements and connect.</p> <p>You can have the peripheral do directed advertising for a specific central, but it would still have to advertise and then central listen for the advertisement.</p><div style="clear:both;"></div>