Aerospace series - Fibres and cables, optical, aircraft use - Test methods - Part 303: Bandwidth; German and English version EN 3745-303:2007
Edition 2009-05

Optical fibres - Part 1-41: Measurement methods and test procedures - Bandwidth (IEC 60793-1-41:2024); German version EN IEC 60793-1-41:2024
Edition 2025-06

Access and Terminals (AT) - Ordinary quality voice bandwidth 2-wire analogue leased line (A2O) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300448 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Special quality voice bandwidth 2-wire analogue leased line (A2S) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300449 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Ordinary and special quality voice bandwidth 2-wire analogue leased lines (A2O and A2S) - Terminal equipment interface (Endorsement of the English version EN 300450 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Ordinary quality voice bandwidth 4-wire analogue leased line (A4O) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300451 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Special quality voice bandwidth 4-wire analogue leased line (A4S) - Connection characteristics and network interface presentation (Endorsement of the English version EN 300452 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Access and Terminals (AT) - Ordinary and special quality voice bandwidth 4-wire analogue leased lines (A4O and A4S) - Terminal equipment interface (Endorsement of the English version EN 300453 V 1.2.1 (2001-07) as German Standard)
Edition 2002-01

Land Mobile Service - Radio equipment using constant or non-constant envelope modulation operating in a channel bandwidth of 25 kHz, 50 kHz, 100 kHz or 150 kHz - Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU (Endorsement of the English version EN 302 561 V2.1.1 (2016-03) as German standard)
Edition 2016-07

TETRA radio equipment using non-constant envelope modulation operating in a channel bandwidth of 25 kHz, 50 kHz, 100 kHz or 150 kHz - Harmonised Standard for access to radio spectrum (Endorsement of the English version EN 303 758 V1.1.1 (2021-07) as a German standard)
Edition 2021-12