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  • ISO 7779-2018 聲學(xué)--信息技術(shù)設(shè)備和通信設(shè)備空氣噪聲的測(cè)量 Acoustics -- Measurement of airborne noise emitted ...2023-10-17
  • TIA 4953-B-2018 Telecommunications Communications Products Amplified Telephone Measurement Procedures And P...2023-10-13
  • YD/T 3420.6-2021 基于公用電信網(wǎng)的寬帶客戶網(wǎng)關(guān)虛擬化 第6部分：虛擬企業(yè)網(wǎng)關(guān)功能技術(shù)要求 Virtualization of broadb...2023-10-13
  • YD/T 3351-2018 通信電纜 數(shù)字通信用平行雙導(dǎo)線電纜及組件 Telecommunication cable-Twinaxial cables and assembli...2023-10-08
  • YD/T 3142-2016 通信設(shè)施對(duì)環(huán)境影響的評(píng)估方法 Methodology for environmental impacts assessment of telecommunic...2023-10-08
  • YDB 071.3-2011 通信電源和機(jī)房環(huán)境節(jié)能技術(shù)指南 第3部分:電源設(shè)備能效分級(jí) Guide for energy saving technology of...2023-10-06
  • KS C IEC 61605-2018 Fixed inductors for use in electronic and telecommunication equipment. Marking codes2023-10-01
  • NF Z84-175-8-2016 Digital enhanced cordless telecommunications (DECT) - Common interface (CI) - Part 8 - s...2023-09-30
  • ETSI TS 125 142-2014 Universal Mobile Telecommunications System (Umts); Base Station (Bs) Conformance Testi...2023-09-26
  • ETSI TS 129 329/2-2021 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-09-23
  • ETSI TS 123 139-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-09-23
  • ETSI TS 145 010/2-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Gsm/Edge Radio Subsyste...2023-09-23
  • GB/T 33851-2017 信息技術(shù) 系統(tǒng)間遠(yuǎn)程通信和信息交換 基于雙載波的無線高速率超寬帶物理層測(cè)試規(guī)范 Information tec...2023-09-23
  • DIN EN 300175-5-2020 Digital Enhanced Cordless Telecommunications (DECT) - Common Interface (CI) - Part 5: ...2023-09-22
  • ETSI TS 132 601-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-09-22
  • ETSI TS 151 010-1/2-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Mobile Station (MS) c...2023-09-22
  • ETSI TS 129 215/3-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Teleco...2023-09-22
  • ETSI TS 132 423/5-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-09-22
  • ETSI TS 155 205-2017 Digital cellular telecommunications system (Phase 2+) (GSM);Specification of the GSM-M...2023-09-21
  • ETSI TR 133 980-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-09-21
  • ETSI TS 131 122-2013 Universal Mobile Telecommunications System (Umts); Lte; Universal Subscriber Identity ...2023-09-21
  • ETSI TR 126 947-2013 Universal Mobile Telecommunications System (Umts); Lte; Evaluation Of Mbms Fec Enhance...2023-09-21
  • ETSI TS 133 108/4-2020 Universal Mobile Telecommunications System (Umts); Lte; Digital Cellular Telecommuni...2023-09-21
  • ETSI TS 134 123-2/4-2018 Universal Mobile Telecommunications System (Umts); User Equipment (Ue) Conformance...2023-09-21
  • ETSI TS 124 072-2017 Digital cellular telecommunications system (Phase 2+) (GSM);Universal Mobile Telecommu...2023-09-21
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