Technical characteristics and methods of measurement for fixed and portable VHF equipment operating on 121,5 MHz and 123,1 MHz (Endorsement of the English version EN 301 688 V1.2.1 (2016-03) as German standard)
Edition 2016-07

Mounting and connecting dimensions - Traction motors for two-axle longitudinal drive with two hollow axle shafts; Corrigendum 1
Edition 2018-12

Intelligent Transport Systems (ITS) - Communications Architecture (Endorsement of the English version EN 302665 V1.1.1 (2010-09) as German standard)
Edition 2011-04

Digital cellular telecommunications system (Phase 2) - Interworking of GSM Network Management (NM) procedures and messages at the Base Station Controller (BSC) (Endorsement of the English version ETS 300624:1996 as German standard)
Edition 2000-12

Integrated Services Digital Network (ISDN) - Harmonized Programmable Communication Interface (HPCI) for ISDN (Endorsement of the English version ETS 300838:1998 as German)
Edition 2001-04

Telecommunications security - Integrated Services Digital Network (ISDN) - Confidentiality system for audiovisual services (Endorsement of the English version ETS 300840:1998 as German standard)
Edition 1999-06

Near Field Communication - Interface and Protocol (NFCIP-1) [ISO/IEC 18092 (2004) modified] (Endorsement of the English version EN 302190 V1.1.1 (2005-06) as German standard)
Edition 2006-01

Digital cellular telecommunications system (Phase 2) - Performance data measurements (Endorsement of the English version ETS 300615:1996-08 as German standard)
Edition 2001-04

Terrestrial Trunked Radio (TETRA) - Security - Synchronization mechanism for end-to-end encryption (Endorsement of the English version EN 302109 V1.1.1 (2003-10) as German standard)
Edition 2004-08

Lead acid batteries - Stationary valve regulated batteries with positive tubular plates and immobilized electrolyte (gel); Corrigendum 1
Edition 2020-02