https://devzone.nordicsemi.com/f/nordic-q-a/23697/nrf8001-datecredits-and-packets-per-connection-intervalI am working on a project that uses PIC18 and nRF8001. PIC18 is used to control nRF8001 and LCD. The project needs to transmit large data to central ( about 512KB). It seems that the uploading took too long, estimated about 18 minutes ( Uploading 64KBen-USTelligent Community 13Tue, 25 Jul 2017 08:48:57 GMThttps://devzone.nordicsemi.com/thread/93181?ContentTypeID=1Tue, 25 Jul 2017 08:48:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a32c324b-374a-43ae-9d75-76a542f75c1fHung Bui<p>@LeoXu: can you export the full wireshark log as .pcapng file ?</p> <p>There are some threads you can have a look, <a href="https://devzone.nordicsemi.com/question/731/nrf8001-what-is-the-maximum-data-rate-with-peered-device/">here</a>, or <a href="https://devzone.nordicsemi.com/question/34591/maximum-real-time-throughput-in-bytes-between-nrf8001-and-iphone/">here</a>.</p> <p>You had some empty PDU, could be that you weren&#39;t queuing packets fast enough.</p><div style="clear:both;"></div>