https://devzone.nordicsemi.com/f/nordic-q-a/19890/bmd-300-high-speedHello I tested a BMD-300 Module and Nordic Team has been very helpful. I tried to reach the maximum speed in this module. I like to send 4x20 byte per 30 ms, but I tried countless ways and I failed. Test method: Send data from PC Uart -&gt;en-USTelligent Community 13Wed, 22 Feb 2017 10:04:56 GMThttps://devzone.nordicsemi.com/thread/77406?ContentTypeID=1Wed, 22 Feb 2017 10:04:56 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b847fbe1-8d35-4245-a002-f342e6a2cca2Petter Myhre<p>When do you lose the connection? When you try to send to the Android device? How are you sending the data? Maybe you can edit your question and include some code?</p><div style="clear:both;"></div>