33 电信、音频和视频工程 标准查询与下载

LST ETSI EN 300 338-1 V1.6.1-2021 水上 MF、MF/HF 和/或 VHF 移动服务中数字选择性呼叫（DSC）的生成、传输和接收设备的技术特性和测量方法；第1部分：共同要求

Technical characteristics and methods of measurement for equipment for generation, transmission and reception of Digital Selective Calling (DSC) in the maritime MF, MF/HF and/or VHF mobile service; Part 1: Common requirements

LST ETSI EN 303 347-1 V2.1.1-2021 气象雷达；无线电频谱接入协调标准；第1部分：工作在 2 700 MHz 至 2 900 MHz 频段（S 频段）的气象雷达传感器

Meteorological Radars; Harmonised Standard for access to radio spectrum; Part 1: Meteorological Radar Sensor operating in the frequency band 2 700 MHz to 2 900 MHz (S band)

LST ETSI EN 319 411-2 V2.3.1-2021 电子签名和基础设施（ESI）；颁发证书的信任服务提供商的政策和安全要求；第2部分：对颁发欧盟合格证书的信托服务提供商的要求

Electronic Signatures and Infrastructures (ESI); Policy and security requirements for Trust Service Providers issuing certificates; Part 2: Requirements for trust service providers issuing EU qualified certificates

LST ETSI EN 302 186 V2.2.1-2021 卫星地球站和系统（SES）；在 11/12/14 GHz 频段运行的卫星移动飞机地球站（AES）；无线电频谱接入协调标准

Satellite Earth Stations and Systems (SES); Satellite mobile Aircraft Earth Stations (AESs) operating in the 11/12/14 GHz frequency bands; Harmonised Standard for access to radio spectrum

LST ETSI EN 303 413 V1.2.1-2021 卫星地球站和系统（SES）；全球导航卫星系统（GNSS）接收器；在 1 164 MHz 至 1 300 MHz 和 1 559 MHz 至 1 610 MHz 频带内操作的无线电设备；无线电频谱接入协调标准

Satellite Earth Stations and Systems (SES); Global Navigation Satellite System (GNSS) receivers; Radio equipment operating in the 1 164 MHz to 1 300 MHz and 1 559 MHz to 1 610 MHz frequency bands; Harmonised Standard for access to radio spectrum

LST ETSI EN 303 746 V1.1.1-2021 海上定位系统；在 9 GHz 频段（X 频段）运行的海上无线电定位系统中用于无线电链路的无线电发射器和接收器

Maritime Location Systems; Radio transmitters and receivers for radio links in maritime radio location systems operating in the 9 GHz frequency band (X band)

LST ETSI EN 301 444 V2.2.1-2021 卫星地球站和系统（SES）；提供语音和/或数据通信的陆地移动地球站（LMES）和水上移动地球站（MMES），工作在 1.5 GHz 和 1.6 GHz 频段； rad 访问协调标准

Satellite Earth Stations and Systems (SES); Land Mobile Earth Stations (LMES) and Maritime Mobile Earth Stations (MMES) providing voice and/or data communications, operating in the 1,5 GHz and 1,6 GHz frequency bands; Harmonised Standard for access to rad

LST ETSI EN 303 981 V1.2.1-2021 卫星地球站和系统（SES）；在 11 GHz 至 14 GHz 频段与非对地静止卫星系统（WBES）通信的固定和动态宽带地球站；无线电频谱接入协调标准

Satellite Earth Stations and Systems (SES); Fixed and in-motion Wide Band Earth Stations communicating with non-geostationary satellite systems (WBES) in the 11 GHz to 14 GHz frequency bands; Harmonised Standard for access to radio spectrum

LST ETSI EN 301 489-50 V2.3.1-2021 无线电设备和服务的电磁兼容性（EMC）标准；第50部分：蜂窝通信基站（BS）、中继器和辅助设备的特定条件；电磁兼容性协调标准

ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 50: Specific conditions for Cellular Communication Base Station (BS), repeater and ancillary equipment; Harmonised Standard for ElectroMagnetic Compatibility

LST EN 301 549 V3.2.1-2021 ICT 产品和服务的无障碍获取要求

Accessibility requirements for ICT products and services

LST ETSI EN 303 364-2 V1.1.1-2021 初级监视雷达（PSR）；无线电频谱接入协调标准；第2部分：在 2 700 MHz 至 3 100 MHz 频段（S 频段）中运行的空中交通管制（ATC）PSR 传感器

Primary Surveillance Radar (PSR); Harmonised Standard for access to radio spectrum; Part 2: Air Traffic Control (ATC) PSR sensors operating in the frequency band 2 700 MHz to 3 100 MHz (S band)

LST ETSI EN 303 883-2 V1.2.1-2021 短程设备（SRD）和超宽带（UWB）；第2部分：接收机要求的测量技术

Short Range Devices (SRD) and Ultra Wide Band (UWB); Part 2: Measurement techniques for receiver requirements

LST ETSI EN 303 883-1 V1.2.1-2021 短程设备（SRD）和超宽带（UWB）；第1部分：发射机要求的测量技术

Short Range Devices (SRD) and Ultra Wide Band (UWB); Part 1: Measurement techniques for transmitter requirements

LST ETSI EN 303 204 V3.1.1-2021 数据网络中的固定短程设备（SRD）；在 870 MHz 至 876 MHz 频率范围内使用的无线电设备，功率水平范围高达 500 mW erp；无线电频谱接入协调标准

Fixed Short Range Devices (SRD) in data networks; Radio equipment to be used in the 870 MHz to 876 MHz frequency range with power levels ranging up to 500 mW e.r.p.; Harmonised Standard for access to the radio spectrum

LST ETSI EN 302 099 V2.2.1-2021 环境工程（EE）；接入网中设备的供电

Environmental Engineering (EE); Powering of equipment in access network

LST ETSI EN 301 489-4 V3.3.1-2021 无线电设备和服务的电磁兼容性（EMC）标准；第4部分：固定无线电链路和辅助设备的特定条件；电磁兼容性协调标准

ElectroMagnetic Compatibility (EMC) standard for radio equipment and services; Part 4: Specific conditions for fixed radio links and ancillary equipment; Harmonised Standard for ElectroMagnetic Compatibility

LST ETSI EN 303 699 V1.1.1-2021 卫星地球站和系统（SES）；在 20 GHz 和 30 GHz FSS 频段与非对地静止卫星系统通信的固定地球站；无线电频谱接入协调标准

Satellite Earth Stations and Systems (SES); Fixed earth stations communicating with non-geostationary satellite systems in the 20 GHz and 30 GHz FSS bands; Harmonised Standard for access to radio spectrum

YD/T 5159-2021 移动多媒体消息中心工程验收规范

Mobile multimedia message center project acceptance specifications

YD/T 5185-2021 IP多媒体子系统(IMS)工程设计规范

IP Multimedia Subsystem (IMS) Engineering Design Specification

YD/T 5250-2021 移动通信直放站工程施工监理规范

Specifications for construction supervision of mobile communication repeater projects