German language names for the alpha-2 code according to ISO 639-1
Edition 2016-08

Digital cellular telecommunications system (Phase 2+) - Alphabets and language-specific information (Endorsement of the English version ETS 300900:1998-01 as German standard)
Edition 2001-06

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 3: Interworking at the Inter-System Interface (ISI) - Sub-part 5: Additional Network Feature for Mobility Management (ANF-ISIMM) (Endorsement of the English version EN 300 392-3-5 V1.5.1 (2016-06) as German standard)
Edition 2016-11

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 12: Supplementary services stage 3 - Sub-part 22: Dynamic Group Number Assignment (DGNA) (Endorsement of the English version EN 300 392-12-22 V1.4.1 (2015-02) as German standard)
Edition 2015-06

Language-learning services - Requirements (ISO 29991:2020)
Edition 2022-03

Communication cables - Specifications for test methods - Part 1-17: Electrical test methods - Exogenous Crosstalk ExNEXT and ExFEXT; German version EN 50289-1-17:2015
Edition 2016-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 7: Security (Endorsement of the English version EN 300 392-7 V3.5.1 (2019-07) as a German standard)
Edition 2019-10

Programmable controllers - Part 3: Programming languages (IEC 61131-3:2013); German version EN 61131-3:2013
Edition 2014-06

Digital Enhanced Cordless Telecommunications (DECT) - Test specification - Part 2: Audio and speech (Endorsement of the English version EN 300 176-2 V2.4.1 (2022-05) as a German standard)
Edition 2022-11

Plain language - Part 1: Governing principles and guidelines (ISO 24495-1:2023)
Edition 2024-03