Appendix G: Security
There are 4 actions you can apply on the memory inside an RFID tag:
1) Lock
2) Unlock
3) Permanent Lock
4) Permanent Unlock
You can obtain an EPC Global document which can be downloaded from the EPC Global
website that explains this:
https://www.gs1.org/epcrfid/epc-rfid-uhf-air-interface-protocol/2-0-1.
Once there, press the button showing the latest air interface protocol document and click on it
to get the pdf file.