https://devzone.nordicsemi.com/f/nordic-q-a/16513/device-name-with-space-has-less-connection-success-rateHi, I have used a modified ble_uart example. I have added 14 extra characteristics in that example. When I have the device name to be &#39;devic NM&#39; the number of attempts to successfully connect is increased as opposed to the device name being &#39;devic_NMen-USTelligent Community 13Mon, 19 Sep 2016 10:22:28 GMThttps://devzone.nordicsemi.com/thread/63175?ContentTypeID=1Mon, 19 Sep 2016 10:22:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c087170d-daee-47ed-97c2-bada1ac6bc80Einar Thorsrud<p>It seems very strange that the presence of a space character in the device name would have any implication on the connection. How have you tested, and how many times have you tested? Is the issue you are seeing with spaces statistically significant, or is it just a coincident?</p><div style="clear:both;"></div>