Electromagnetic compatibility and Radio spectrum Matters (ERM) - Enhanced Radio MEssage System (ERMES) - Part 4: Air interface specification; English version ETS 300133-4:1997
Edition 1998-12

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 5: Gateway air interface (Endorsement of the English version EN 300396-5 V1.3.1 (2011-12) as German standard)
Edition 2012-07

Terrestrial Trunked Radio (TETRA); Voice plus Data (V + D) - Part 13: SDL model of Air Interface; English version ETS 300392-13:1997
Edition 1998-08

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 2: Air Interface (AI) (Endorsement of the English version EN 300 392-2 V3.8.1 (2016-08) as German standard)
Edition 2017-01

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 4: Type 1 repeater air interface (Endorsement of the English version EN 300396-4 V1.4.1 (2011-12) as German standard)
Edition 2012-07

Terrestrial Trunked Radio (TETRA) - Technical requirements for Direct Mode Operation (DMO) - Part 3: Mobile Station to Mobile Station (MS-MS) Air Interface (AI) protocol (Endorsement of the English version EN 300396-3 V1.4.1 (2011-12) as German standard)
Edition 2012-07

Information technology - Radio frequency identification device conformance test methods - Part 6: Test methods for air interface communications at 860 MHz to 960 MHz
Edition 2017-10

Information technology - Automatic identification and data capture techniques - Part 13: Crypto suite Grain-128A security services for air interface communications
Edition 2015-05

Terrestrial Trunked Radio (TETRA) - Technical requirements for direct mode operation (DMO) - Part 5: gateway air interface (V1.3.1)
Edition 2014-10-24