Adding manufacturer data into both advertising and scan response packetshttps://devzone.nordicsemi.com/f/nordic-q-a/112044/adding-manufacturer-data-into-both-advertising-and-scan-response-packetsWe have some custom hardware that acts as a peripheral, and currently has the advertising data packet set up as follows: BT_UUID_SPD_SERVICE is our custom 128-bit UUID that enables our custom App to filter out all the other peripherals when scanningen-USTelligent Community 13Thu, 13 Jun 2024 11:31:40 GMTRE: Adding manufacturer data into both advertising and scan response packetshttps://devzone.nordicsemi.com/thread/488656?ContentTypeID=1Thu, 13 Jun 2024 11:31:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c55233ad-ee11-4dda-a467-1c2e25c71115Susheel Nuguru[quote user=""]When I add the extra byte, it goes up to 24 bytes.&nbsp;[/quote] <p>You have 29 bytes of data excluding length and type. It is strange that the advertising data suddenly jumps to 24 bytes when you add the extra byte.&nbsp; Could it be that this has to do something with the data alignment?</p> <p>When you look at the advertising data, can you see if your manufacturer data is aligned to a byte border?</p><div style="clear:both;"></div>