https://devzone.nordicsemi.com/f/nordic-q-a/28909/public-mac-id-in-nrf51822Hi, we are using nRF51822 for one of our application. We are trying to get the public MAC ID of the device itself. Please suggest how can we do so from the application code. Presently we are using MBED OS 5 for developmenten-USTelligent Community 13Tue, 02 Jan 2018 20:05:34 GMThttps://devzone.nordicsemi.com/thread/114388?ContentTypeID=1Tue, 02 Jan 2018 20:05:34 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ed610ca4-b538-483d-89c7-dd3b872ca38cendnode<p>You cannot &quot;get&quot; the public address from the device because there is no such MAC;) If you want public address then you need to register it with the governing body (IEEE) and provision into your FW by your own proprietary way (can be during FW flashing in production, can be later ver the air... countless possibilities).</p> <p>Btw. this question was answered at least ten times on the forum, please just search &quot;public address&quot; or &quot;public MAC&quot; and read the answers (e.g. <a href="https://devzone.nordicsemi.com/question/1096/device-address-fro-public-device-address-format/">this one</a>).</p><div style="clear:both;"></div>