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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 codes
2023-10-01
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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