Specification for RFID Air Interface Protocol for Communications at 860 MHz – 930 MHz
The latest version (currently version 3.0.1) is always available at https://ref.gs1.org/standards/gen2/. Permanent links to specific versions are listed below.
- Version 1.1.0
- Published December 2005
- https://ref.gs1.org/standards/gen2/1.1.0/
- See also https://ref.gs1.org/archive/air-interface/
- Version 1.2.0
- Published October 2008
- https://ref.gs1.org/standards/gen2/1.2.0/
- See also https://ref.gs1.org/archive/air-interface/
- Version 2.0.1
- Published April 2015
- https://ref.gs1.org/standards/gen2/2.0.1/
- See also https://ref.gs1.org/standards/gen2/2.0.1/artefacts
- Version 2.1.0
- Published July 2018
- https://ref.gs1.org/standards/gen2/2.1.0/
- See also https://ref.gs1.org/standards/gen2/2.1.0/artefacts
- Version 3.0.0
- Published January 2024
- https://ref.gs1.org/standards/gen2/3.0.0/
- See also https://ref.gs1.org/standards/gen2/3.0.0/artefacts
- Version 3.0.1
- Published 26 February 2026
- https://ref.gs1.org/standards/gen2/3.0.1/
- See also https://ref.gs1.org/standards/gen2/3.0.1/artefacts