Each NFC chip such as the popular NTAG213 has a unique ID number built into it during manufacturer. On genuine chips this cannot be changed. It will look something like '04AB12CD230180'. Technically it's a 7 bytes which equates to 14 hexadecimal characters.
A UID scan means that we scan all the tags before we send them to you collate the UID numbers in a spreadsheet and send the spreadsheet to you typically as CSV or excel file.
Some specialist software - for example asset management or round management software - may use this UID to identify each NFC tag. In some very rare cases this UID needs to be loaded into the software so that the software knows what UIDs to expect.
It's important to know that the UID of the chip can only be accessed by mobile phones using an app - it's not presented to the phone using non-app native tag scanning.
So. Unless you are using specialist software and that software requires the UID in advance - then you alm
Seritag - 23 Sep 2023