33.060.20 接收和发射设备 标准查询与下载

NF Z84-338-5:2020 海上中频、中频/高频和/或甚高频移动业务中数字选择呼叫(DSC)产生、传输和接收设备的技术特性和测量方法. 第5部分: 手持式VHF H级DSC(V1.3.1)

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 5 : handheld VHF Class H DSC (V1.3.1)

T/ZZB 1847-2020 外调制调幅激光发送机

本文件规定了外调制调幅激光发送机的术语和定义、基本要求、技术要求、试验方法、检验规则、标志、包装、运输及贮存和质量承诺。 本文件适用于有线电视系统中的正向（主）通道残留边带调幅1 550 nm 外调制调幅激光发送机（以下简称“发送机”）。

AM laser transmitters with external modulation

DS/ETSI EN 302 609 V2.2.1:2020 短程设备（SRD）； Euroloop 通信系统的无线电设备；无线电频谱接入协调标准

Short Range Devices (SRD); Radio equipment for Euroloop communication systems; Harmonised Standard for access to radio spectrum

DIN EN 303648:2020 可重配置的无线电系统(RRS). 无线电设备(RE)重构架构

This European Standard (EN) has been developed by the European Standardization Organization ETSI (European Telecommunication Standardization Institute) and specifies requirements in the telecommunications sector.

Reconfigurable Radio Systems (RRS) - Radio Equipment (RE) reconfiguration architecture (Endorsement of the English version EN 303 648 V1.1.2 (2020-07) as a German standard)

DIN EN 303641:2020 可重配置的无线电系统(RRS). 无线电设备(RE)重构要求

This European Standard (EN) has been developed by the European Standardization Organization ETSI (European Telecommunication Standardization Institute) and specifies requirements in the telecommunications sector.

Reconfigurable Radio Systems (RRS) - Radio Equipment (RE) reconfiguration requirements (Endorsement of the English version EN 303 641 V1.1.2 (2020-06) as a German standard)

NF Z84-338-2:2020 海上中频、中频/高频和/或甚高频移动业务中数字选择呼叫(DSC)产生、传输和接收设备的技术特性和测量方法. 第2部分: A级DSC(V1.5.1)

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 2 : class A DSC (V1.5.1)

NF Z84-338-3:2020 海上中频、中频/高频和/或甚高频移动业务中数字选择呼叫(DSC)产生、传输和接收设备的技术特性和测量方法. 第3部分: D级DSC(V.1.3.1)

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 3 : class D DSC (V.1.3.1)

YD/T 3638-2020 射频馈入数字分布系统设备测试方法

Radio frequency feed digital distribution system equipment testing method

YD/T 3634-2020 LTE FDD数字蜂窝移动通信网直放站技术要求和测试方法

LTE FDD digital cellular mobile communication network repeater technical requirements and test methods

YD/T 3694-2020 移动通信终端无障碍测试方法

Mobile communication terminal accessibility test method

YD/T 3635-2020 基带馈入数字分布系统设备技术要求

Baseband feed digital distribution system equipment technical requirements

YD/T 3636-2020 基带馈入数字分布系统设备测试方法

Baseband feed digital distribution system equipment test method

YD/T 3681-2020 无线多系统接入平台（POI）网管接口测试方法

Wireless multi-system access platform (POI) network management interface testing method

YD/T 3705-2020 1447MHz-1467MHz频段宽带数字集群专网系统终端设备射频技术要求和测试方法

Radio frequency technical requirements and test methods for terminal equipment of broadband digital trunking private network system in the 1447MHz-1467MHz frequency band

YD/T 3680-2020 无线多系统接入平台（POI）网管接口技术要求

Wireless multi-system access platform (POI) network management interface technical requirements

YD/T 2862-2020 LTE/WCDMA/GSM(GPRS)多模双卡双待终端设备技术要求

LTE/WCDMA/GSM (GPRS) multi-mode dual-card dual-standby terminal equipment technical requirements

YD/T 3702-2020 铁路专用GSM-R系统基站设备射频指标技术要求和测试方法

Technical requirements and test methods for radio frequency indicators of railway-specific GSM-R system base station equipment

YD/T 3630-2020 LTE数字蜂窝移动通信网终端设备技术要求（第二阶段）

LTE digital cellular mobile communication network terminal equipment technical requirements (second phase)

YD/T 2863-2020 LTE/WCDMA/GSM(GPRS)多模双卡双待终端设备测试方法

LTE/WCDMA/GSM (GPRS) multi-mode dual-card dual-standby terminal equipment testing method

YD/T 3633-2020 TD-LTE数字蜂窝移动通信网直放站技术要求和测试方法

TD-LTE digital cellular mobile communication network repeater technical requirements and test methods