https://devzone.nordicsemi.com/f/nordic-q-a/9271/slow-transfer-rate-nrf51822-to-androidHi, I&#39;ve finally managed to create a functional app for nrf51822 dongle which sends and receives data via BT and UART. But, I have low transfer speed over Bluetooth. I&#39;ve read several posts here but non worked in increasing the transfer rates.en-USTelligent Community 13Thu, 17 Sep 2015 07:59:37 GMThttps://devzone.nordicsemi.com/thread/34217?ContentTypeID=1Thu, 17 Sep 2015 07:59:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1d194161-599f-49b3-9e19-5f10fb7819c9mbozic<p>I&#39;ve checked connection interval on BLE_GAP_EVT_CONNECTED and BLE_GAP_EVT_CONN_PARAM_UPDATE, it&#39;s 7.5ms on BLE_GAP_EVT_CONN_PARAM_UPDATE so we can rule that out. Any ideas?</p><div style="clear:both;"></div>