Browse Standards
1653+ standards in database
1653 result(s) found
移动通信设备节能参数和测试方法 基站
Energy efficiency metrics and measurement method for mobile communication equipment - Base station
移动终端设备节能参数和测试方法
The parameter and measurement of energy saving for the mobile equipment
视距微波接力通信系统与空间无线电通信系统共用频率的技术要求
Frequency sharing criteria between line-of-sight radio-relay communications systems and space radio communications systems
陆地移动业务和固定业务传播特性 第2部分：100 MHz～1 000 MHz固定业务传播特性
Propagation characteristics in land mobile service and fixed service - Part 2: Propagation characteristics for the terrestrial fixed service in 100 MHz～1 000 MHz
电磁兼容 限值 对额定电流≤75A且有条件接入的设备在公用低压供电系统中产生的电压变化、电压波动和闪烁的限制
Electromagnetic compatibility - Limits - Limitation of voltage changes, voltage fluctuations and flicker in public low-voltage supply systems for equipment with rated current ≤75 A and subject to conditional connection
工业车辆 电磁兼容性
Industrial trucks - Electromagnetic compatibility
直接辐射式电动扬声器通用规范
General specification for electrodynamic loudspeaker of direct radiator type
卫星定位个人位置信息服务系统 第4部分：终端通用规范
Satellite positioning personal position information service system（PPISS）- Part 4: General specification of terminal
卫星定位个人位置信息服务系统 第3部分：信息安全规范
Satellite positioning personal position information service system（PPISS）- Part 3: Information security specification
卫星定位个人位置信息服务系统 第2部分：终端与服务中心信息交换协议
Satellite positioning personal position information service system（PPISS）- Part 2: Information protocol for terminal and service center
卫星定位个人位置信息服务系统 第1部分：功能描述
Satellite positioning personal position information service system（PPISS）- Part 1: Function description
射频连接器 第1部分：总规范 一般要求和试验方法
Radio-frequency connectors - Part 1: Generic specification - General requirements and measuring methods
800MHz/2GHz cdma2000数字蜂窝移动通信系统的电磁兼容性要求和测量方法 第1部分：用户设备及其辅助设备
Requirements and measurement methods of electromagnetic compatibility for 800MHz/2GHz cdma2000 digital cellular mobile telecommunications system - Part 1: User equipment and ancillary equipment
电磁兼容 环境 公用中压供电系统低频传导骚扰及信号传输的兼容水平
Electromagnetic compatibility - Environment - Compatibility levels for low-frequency conducted disturbances and signaling in public medium-voltage power supply systems
卫星导航定位系统的时间系统
Temporal systems for satellite navigation and positioning
实心聚乙烯绝缘柔软射频电缆
Solid-polyethene insulated flexible radio-frequency cables
射频同轴电缆组件 第4部分：半硬同轴电缆组件分规范
Radio frequency and coaxial cable assemblies－Part 4: Sectional specification for semi-rigid coaxial cable assemblies
射频同轴电缆组件 第3部分：半柔同轴电缆组件分规范
Radio frequency and coaxial cable assemblies―Part 3：Sectional specification for semi-flexible coaxial cable assemiblies
射频同轴电缆组件 第2部分：柔软同轴电缆组件分规范
Radio frequency and coaxial cable assemblies―Part 2: Sectional specification for flexible coaxial cable assemblies
射频同轴电缆组件 第1部分：总规范 一般要求和试验方法
Radio frequency and coaxial cable assemblies―Part 1：Generic specification―General requirements and test methods