https://devzone.nordicsemi.com/f/nordic-q-a/74382/does-number-of-services-and-characteristics-affect-speed-latency-in-ble-communicationHi Team, I am developing a product that is a combination of a mobile app and a hardware including an nRF52832. The hardware should notify the mobile app on events as quickly as possible. I am using 2 services (NUS + a custom one, 1 characteristic useden-USTelligent Community 13Fri, 23 Apr 2021 14:28:24 GMThttps://devzone.nordicsemi.com/thread/306580?ContentTypeID=1Fri, 23 Apr 2021 14:28:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:99e1b76b-d4e2-424a-890b-7c2277c8f15fTibor Kakonyi<p>Thanks for your answer, Sigurd!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/306579?ContentTypeID=1Fri, 23 Apr 2021 14:27:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7c2f61c9-3d75-4c24-8098-10819d2b9a26Sigurd<p>Hi,</p> [quote user=""]<p><span style="font-family:inherit;">I am wondering if sending all data with the same service &amp; characteristic could help decrease latency?</span></p> <p></p>[/quote] <p>No. That&nbsp;won&#39;t help to decrease latency.</p> <p>Decrease latency -&gt; Set a low connection interval. You should be able to get it down to at least 15ms with most phones.</p> <p>Increase&nbsp;throughput -&gt; Use&nbsp;Data Length Extension (DLE), high&nbsp;ATT MTU size and 2M PHY</p><div style="clear:both;"></div>