Components for low-voltage surge protective devices Performance requirements and test methods telecommunications signalling network isolation transformers (SIT)
€269.00
Components for low-voltage surge protection Selection and application principles telecommunications signalling network isolation transformers (SITs)
Components for low-voltage surge protective devices Performance requirements and test circuits gas discharge tubes (GDT)
Components for low-voltage surge protective devices Selection and application principles gas discharge tubes
Household and similar electrical appliances. Safety Particular requirements for floor treatment machines wet scrubbing
€193.00
BS EN IEC 60335-2-10. Household and similar electrical appliances. Safety Part 2-10. Particular requirements for floor treatment machines wet scrubbing
€23.00
Lightning protection. Telecommunication lines Lines using metallic conductors
€374.00
Low voltage surge protective devices Specification for gas discharge tubes (GDT)
Lightning protection. Telecommunication lines Fibre optic installations
€316.00
The relation between the sone scale of loudness and the phon scale of loudness level
Components for low-voltage surge protective devices - Part 351 : performance requirements and test methods for telecommunications and signalling network surge isolation transformers (SIT)
€126.00
Environmental Engineering (EE) - Energy Efficiency measurement methodology and metrics for RAN Equipment (V1.1.1) - Ingénierie de l'environnement (EE) ; Méthodologie de mesure et indices de mesure d'efficacité énergétique pour équipement RAN (V1.0.0)
€78.50
Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN) - Interworking between Session Initiation Protocol (SIP) and Bearer Independent Call Control (BICC) Protocol or ISDN User Part (ISUP) [ITU-T Recommendation Q.1912.5, modified] (Endorsement of the English version EN 383001 V1.1.1 (2006-06) as German standard).
€16.45
White Space Devices (WSD) - Wireless Access Systems operating in the 470 MHz to 790 MHz TV broadcast band - Harmonised Standard covering the essential requirements of article 3.2 of Directive 2014/53/EU (Endorsement of the English version EN 301 598 V2.1.1 (2018-01) as German standard).
White Space Devices (WSD) - Wireless Access Systems operating in the 470 MHz to 790 MHz TV broadcast band - Harmonized EN covering the essential requirements of article 3.2 of the R&TTE Directive (Endorsement of the English version EN 301 598 V1.1.1 (2014-04) as German standard).
