https://devzone.nordicsemi.com/f/nordic-q-a/19239/does-ble-always-use-47-octetsDoes BLE always use 47 octets from preamble to CRC? Are unused parts filled with 0s?en-USTelligent Community 13Thu, 26 Jan 2017 08:09:12 GMThttps://devzone.nordicsemi.com/thread/74544?ContentTypeID=1Thu, 26 Jan 2017 08:09:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:35141fb1-8e38-4922-8341-a5d493985589run_ar<p>No, there is a length field. You also have DLE (Data Length extension), which supports longer packets.</p><div style="clear:both;"></div>