EPC Gen2v3
GS1 EPC UHF Gen2 Air Interface Protocol, Version 3.0
Overview
The GS1 version of the UHF RFID air interface protocol. Technically aligned with ISO 18000-63, but published by GS1 and widely referenced in the RFID industry. Defines the singulation protocol, memory structure, and tag features like Impinj Monza, NXP UCODE, etc.
Why it matters for RFID
The industry-standard name for UHF RFID tag communication. When someone says "Gen2 tag", they mean a tag conforming to this standard.
Official document
https://www.gs1.org/standards/epc-rfid/uhf-air-interface-protocol