Access and terminals (AT) - Analogue access to the Public Switched Telephone Network (PSTN); Subscriber line protocol over the local loop for display (and related) services - Part 2: Off-hook data transmission (Endorsement of the English version EN 300659-2 V 1.3.1 (2001-01) as German Standard)
Edition 2001-12

Access and terminals (AT) - Analogue access to the Public Switched Telephone Network (PSTN); Subscriber line protocol over the local loop for display (and related) services - Part 3: Data link message and parameter codings (Endorsement of the English version EN 300659-3 V 1.3.1 (2001-01) as German Standard)
Edition 2001-12

Electromagnetic compatibility and Radio spectrum Matters (ERM) - Road Transport and Traffic Telematics (RTTT) - Dedicated Short Range Communication (DSRC) transmission equipment (500 kbit/s/250 kbit/s) operating in the 5,8 GHz Industrial, Scientific and Medical (ISM) band - Part 1: General characteristics and test methods for Road Side Units (RSU) and On-Board Units (OBU) (Endorsement of the English version EN 300674-1 V1.2.1 (2004-08) as German standard)
Edition 2005-02

Transport and Traffic Telematics (TTT) - Dedicated Short Range Communication (DSRC) transmission equipment (500 kbit/s / 250 kbit/s) operating in the 5795 MHz to 5815 MHz frequency band - Part 2: Harmonised Standard for access to radio spectrum - Sub-part 1: Road Side Units (RSU) (Endorsement of the English version EN 300 674-2-1 V3.1.1 (2022-03) as a German standard)
Edition 2022-07

Transport and Traffic Telematics (TTT) - Dedicated Short Range Communication (DSRC) transmission equipment (500 kbit/s / 250 kbit/s) operating in the 5 795 MHz to 5 815 MHz frequency band - Part 2: Harmonised Standard for access to radio spectrum - Sub-part 2: On-Board Units (OBU) (Endorsement of the English version EN 300 674-2-2 V2.2.1 (2019-06) as a German standard)
Edition 2019-10

Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation - Part 1: Technical characteristics and methods of measurement (Endorsement of the English version EN 300 676-1 V1.5.2 (2011-03) as German standard)
Edition 2013-02

Ground-based VHF hand-held, mobile and fixed radio transmitters, receivers and transceivers for the VHF aeronautical mobile service using amplitude modulation - Part 2: Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU (Endorsement of the English version EN 300 676-2 V2.1.1 (2015-12) as German standard)
Edition 2016-04

Access and Terminals (AT) - 34 MBit/s and 140 Mbit/s digital leased lines (D34U, D34S, D140U and D140S) - Network interface presentation (Endorsement of the English version EN 300686 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - 34 MBit/s digital leased lines (D34U and D34S) - Connection characteristics (Endorsement of the English version EN 300687 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - 140 MBit/s digital leased lines (D140U and D140S) - Connection characteristics (Endorsement of the English version EN 300688 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01