YD/T 3251.4-2017.Passive device for signal distributing system of mobile communcations Part 4: Hybrid bridge. 1范围 YD/T 3251.4规定了移动通信分布系统用电桥产品的定义、分类和型号

YD/T 3129.2-2017.Integrated optical transmitter assembly in telecommunication-Part2:10x 10Gbit/s intensity modulator. 1范围 YD/T 3129.2规定了10x10Gbit/s强度调

YD/T 2289.4-2017.Cable for wireless remote radio unit Part 4: Pre-terminated cable assemblies. 1范围 YD/T 2289.4规定了无线射频拉远单元(RRU)用预制成端线缆组件(以下简称组件)的产品分类、要

YD/T 1688.3-2017.Technical specification of optical transceiver module for xPON Part 3: Optical transceiver module for GPON OLT/ONU. 1范围 YD/T 1688.3规定

YD/T 1688.7-2017.Technical specification of optical transceiver module for xPON Part 7: Optical transceiver module embedded with MAC for ONU. 1范围 YD/T

GB/T 38797-2020.Test method for security of broadband customer network equipment based on public telecommunication network- Broadband customer gateway

GB/T 38799-2020.Technical requirement for security of broadband customer network equipment based on public telecommunication network- Broadband custom

GB/T 9771.6-2020.Single-mode optical fibres for telecommunication-Part 6: Characteristics of a fibre with non-zero dispersion for wideband optical tra

GB/T 9771.5-2020.Single-mode optical fibres for telecommunication-Part 5: Characteristics of a non-zero dispersion shifted single-mode optical fibre.

GB/T 9771.3-2020.Single-mode optical fibres for telecommunication-Part 3: Characteristics of an extended wavelength band dispersion unshifted single-m