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ISO 7779-2018 声学--信息技术设备和通信设备空气噪声的测量 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 基于公用电信网的宽带客户网关虚拟化第6部分：虚拟企业网关功能技术要求 Virtualization of broadb...2023-10-13

YD/T 3351-2018 通信电缆数字通信用平行双导线电缆及组件 Telecommunication cable-Twinaxial cables and assembli...2023-10-08

YD/T 3142-2016 通信设施对环境影响的评估方法 Methodology for environmental impacts assessment of telecommunic...2023-10-08

YDB 071.3-2011 通信电源和机房环境节能技术指南第3部分:电源设备能效分级 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 信息技术系统间远程通信和信息交换基于双载波的无线高速率超宽带物理层测试规范 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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