Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 43248-2023 |
Electric and hybrid vehicles - Radio disturbance characteristics - Limits and methods of measurement for the protection of off-board receivers below 30 MHz {译} 电动汽车和混合动力汽车 无线电骚扰特性 用于保护30MHz以下车外接收机的限值和测量方法 |
China National Standards Hz |
 English PDF |
| GB/T 17626.19-2022 |
Electromagnetic compatibility-Testing and measurement techniques-Part 19: 2kHz~150kHz differential mode conducted disturbance and communication signal immunity test of AC power port {译} 电磁兼容 试验和测量技术 第19部分：交流电源端口2kHz~150kHz差模传导骚扰和通信信号抗扰度试验 |
China National Standards Hz |
English PDF |
| GB/T 3658-2022 |
Ring test method for magnetic properties of soft magnetic metal materials and powder metallurgy materials in the frequency range of 20Hz to 100kHz {译} 软磁金属材料和粉末冶金材料20Hz～100kHz频率范围磁性能的环形试样测量方法 |
China National Standards Hz |
English PDF |
| GB/T 31838.6-2021 |
Solid insulating materials—Dielectric and resistive properties—Part 6:Dielectric properties(AC method)—Relative permittivity and dielectric dissipation factor(frequencies 0.1Hz～10 MHz) 固体绝缘材料 介电和电阻特性 第6部分：介电特性（AC方法） 相对介电常数和介质损耗因数（频率0.1Hz~10MHz） |
China National Standards Hz |
English PDF |
| GB/T 40025-2021 |
RF technical requirements and test methods for 24GHz vehicle radio equipment 24GHz车辆无线电设备射频技术要求及测试方法 |
China National Standards Hz |
English PDF |
| GB/T 41136-2021 |
Resistance welding equipment -- Transformers -- Integrated transformer-rectifier units for welding guns operating at 1 000 Hz 电阻焊设备 变压器 一体式焊钳用内置整流器的1000Hz变压器 |
China National Standards Hz |
English PDF |
| GB/T 38622-2020 |
Containers—General technology specification of 2.45GHz frequency band cargo shipment tag 集装箱 2.45GHz频段货运标签通用技术规范 |
China National Standards Hz |
English PDF |
| GB/Z 17624.4-2019 |
Electromagnetic compatibility—General—Historical rationale for the limitation of power-frequency conducted harmonic current emissions from equipment, in the frequency range up to 2 kHz 电磁兼容 综述 2kHz内限制设备工频谐波电流传导发射的历史依据 |
China National Standards Hz |
English PDF |
| GB/T 37379-2019 |
Technical specification for 2.45 GHz radio frequency identification system of inland navigation vessels 内河船舶2.45GHz射频识别系统技术规范 |
China National Standards Hz |
English PDF |
| GBZ/T 189.3-2018 |
Measurement of workplace physical factors - Part 3: 1 Hz to 100 kHz - electric and magnetic fields 工作场所物理因素测量-第3部分：1Hz～100kHz-电场和磁场 |
China National Standards Hz |
English PDF |
| GB/T 6113.105-2018 |
Specification for radio disturbance and immunity measuring apparatus and methods—Part 1-5:Radio disturbance and immunity measuring apparatus—Antenna calibration sites and reference test sites for 5 MHz to 18 GHz 无线电骚扰和抗扰度测量设备和测量方法规范-第1-5部分：无线电骚扰和抗扰度测量设备-5MHz～18GHz天线校准场地和参考试验场地 |
China National Standards Hz |
English PDF |
| GB/T 36914.2-2018 |
Textile machinery and accessories—Rings and travellers for ring spinning and ring twisting frames—Part 2: Hz-and J-rings and their travellers 纺织机械与附件-环锭细纱机和环锭捻线机用钢领和钢丝圈-第2部分：HZ型和J型钢领和配用的钢丝圈 |
China National Standards Hz |
English PDF |
| GB/T 35033-2018 |
Measurement method on conductive properties of electromagnetic shielding material and bonding impedance of metal material for 30MHz to 1GHz 30MHz～1GHz电磁屏蔽材料导电性能和金属材料搭接阻抗测量方法 |
China National Standards Hz |
English PDF |
| GB/T 36365-2018 |
Information technology—Radio frequency identification—General specifications for passive tag at 800/900MHz 信息技术 射频识别 800/900MHz无源标签通用规范 |
China National Standards Hz |
English PDF |
| GB/T 36364-2018 |
Information technology—Radio frequency identification—General specifications for tag at 2.45GHz 信息技术 射频识别 2.45GHz标签通用规范 |
China National Standards Hz |
English PDF |
| GB/T 36435-2018 |
Information technology—Radio frequency identification—General specifications for reader at 2.45GHz 信息技术 射频识别 2.45GHz读写器通用规范 |
China National Standards Hz |
English PDF |
| GB/T 30996.3-2018 |
Information technology—Real-time locating systems—Part 3 : 433MHz air interface protocol 信息技术 实时定位系统 第3部分：433MHz空中接口协议 |
China National Standards Hz |
English PDF |
| GB/T 36654-2018 |
RF technical requirements and test methods for 76GHz vehicle radio equipment 76GHz车辆无线电设备射频指标技术要求及测试方法 |
China National Standards Hz |
English PDF |
| GB/T 34996-2017 |
Specification of the 800/900MHz radio frequency identification reader/writer equipment 800/900MHz射频识别读/写设备规范 |
China National Standards Hz |
English PDF |
| GB/T 35102-2017 |
Information technology—Radio frequency identification—Conformance test methods for air interface at 800/900MHz 信息技术 射频识别 800/900MHz空中接口符合性测试方法 |
China National Standards Hz |
English PDF |
| GB/T 34991-2017 |
12.5kHz TDMA channel based professional digital trunking communication system—Technical specifications for physical layer and data link layer of air interface 基于12.5kHz信道的时分多址（TDMA）专用数字集群通信系统 空中接口物理层及数据链路层技术规范 |
China National Standards Hz |
English PDF |
| GB/T 34992-2017 |
12.5kHz TDMA channel based professional digital trunking communication system—Technical specifications for call control layer of air interface 基于12.5kHz信道的时分多址（TDMA）专用数字集群通信系统 空中接口呼叫控制层技术规范 |
China National Standards Hz |
English PDF |
| GB/T 34579-2017 |
Methods of measurement and limits for radiated disturbances from plasma display panel equipment in the frequency range 150kHz to 30MHz 等离子显示设备150kHz～30MHz辐射骚扰限值和测量方法 |
China National Standards Hz |
English PDF |
| GB/T 33848.3-2017 |
Information technology—Radio frequency identification—Part 3: Parameters for air interface communications at 13.56 MHz 信息技术 射频识别 第3部分：13.56MHz的空中接口通信参数 |
China National Standards Hz |
English PDF |
| GB/T 34096-2017 |
Mobile payment—Test methods for contactless reader terminal based on 2.45GHz range controlled communication technology 手机支付 基于2.45GHz RCC（限域通信）技术的非接触式读写器终端测试方法 |
China National Standards Hz |
English PDF |
| GB/T 30996.2-2017 |
Information technology—Real-time locating systems—Part 2: 2.45GHz air interface protocol 信息技术 实时定位系统 第2部分：2.45GHz 空中接口协议 |
China National Standards Hz |
English PDF |
| GB/T 33742-2017 |
Technical requirements for radio frequency interface of contactless reader based on 13.56MHz and 2.45GHz dual-frequency technology 基于13.56MHz和2.45GHz双频技术的非接触式读写器射频接口技术要求 |
China National Standards Hz |
English PDF |
| GB/T 33740-2017 |
Mobile payment—Test methods of contactless radio frequency interface based on 2.45GHz range controlled communication technology 手机支付 基于2.45GHz RCC（限域通信）技术的非接触射频接口测试方法 |
China National Standards Hz |
English PDF |
| GB/T 33739-2017 |
Test methods for radio frequency interface of contactless reader based on 13.56MHz and 2.45GHz dual-frequency technology 基于13.56MHz和2.45GHz双频技术的非接触式读写器射频接口测试方法 |
China National Standards Hz |
English PDF |
| GB/T 33738-2017 |
Mobile Payment—Technical requirements for intellegent card based on 2.45GHz RRC(range controlled communication) technology 手机支付 基于2.45GHz RCC（限域通信）技术的智能卡技术要求 |
China National Standards Hz |
English PDF |
| GB/T 33736-2017 |
Mobile payment—Technical requirements for contactless radio frequency interface based on 2.45GHz range controlled communication technology 手机支付 基于2.45GHz RCC（限域通信）技术的非接触射频接口技术要求 |
China National Standards Hz |
English PDF |
| GB/T 33741-2017 |
Mobile payment—Technical requirements for contactless reader terminal based on 2.45GHz range controlled communication technology 手机支付 基于2.45GHz RCC（限域通信）技术的非接触式读写器终端技术要求 |
China National Standards Hz |
English PDF |
| GB/T 33737-2017 |
Mobile payment—Test methods for intellegent card based on 2.45GHz RRC(range controlled communication) technology 手机支付 基于2.45GHz RCC（限域通信）技术的智能卡测试方法 |
China National Standards Hz |
English PDF |
| GB/T 18015.7-2017 |
Multicore and symmetrical pair/quad cables for digital communications—Part 7: Symmetrical pair/quad cables with transmission characteristics up to 1 200MHz—Sectional specification for digital and analog communication cables 数字通信用对绞或星绞多芯对称电缆 第7部分：具有1200MHz及以下传输特性的对绞或星绞对称电缆 数字及模拟通信电缆分规范 |
China National Standards Hz |
English PDF |
| GB/T 18015.8-2017 |
Multicore and symmetrical pair/quad cables for digital communications—Part 8: Symmetrical pair/quad cables with transmission characteristics up to 1200MHz－Work area wiring sectional specification 数字通信用对绞或星绞多芯对称电缆 第8部分：具有1200MHz及以下传输特性的对绞或星绞对称电缆 工作区布线电缆分规范 |
China National Standards Hz |
English PDF |
| GB/T 15157.2-2015 |
Connectors for frequencies below 3 MHz for use with printed boards—Part 2：Detail specification for two-part connectors with assessed quality，for printed boards，for basic grid of 2.54 mm with common mounting features 印制板用频率低于3 MHz的连接器 第2部分：有质量评定的具有通用安装特征基本网格2.54 mm的印制板用两件式连接器详细规范 |
China National Standards Hz |
English PDF |
| GB/T 31983.11-2015 |
Narrow band power line communication over low-voltage mains—Part 11: 3 kHz to 500 kHz frequency bands and classifications, limits of output level and electromagnetic disturbances 低压窄带电力线通信 第11部分：3 kHz～500 kHz频带划分、输出电平和电磁骚扰限值 |
China National Standards Hz |
English PDF |
| GB/T 31834-2015 |
Twinax cable for digital communications of 20GHz and lower 20GHz及以下数字通信用高速平行电缆 |
China National Standards Hz |
English PDF |
| GB/T 29797-2013 |
Specification of the 13.56MHz radio frequency identification reader/writer equipment 13.56MHz射频识别读/写设备规范 |
China National Standards Hz |
English PDF |
| GB/T 19484.1-2013 |
Requirements and measurement methods of electromagnetic compatibility for 800MHz/2GHz cdma2000 digital cellular mobile telecommunications system - Part 1: User equipment and ancillary equipment 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 |
China National Standards Hz |
English PDF |
| GB/T 29768-2013 |
Information technology - Radio frequency identification - Air interface protocol at 800/900 MHz 信息技术 射频识别 800/900MHz空中接口协议 |
China National Standards Hz |
English PDF |
| GB/T 29306.2-2012 |
Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz - Part 2 : Resonance methods 绝缘材料在300 MHz以上频率下介电性能测定方法 第2部分：谐振法 |
China National Standards Hz |
English PDF |
| GB/T 29306.1-2012 |
Recommended methods for the determination of the dielectric properties of insulating materials at frequencies above 300 MHz - Part 1：General 绝缘材料在300 MHz以上频率下介电性能测定方法 第1部分：总则 |
China National Standards Hz |
English PDF |
| GB/T 29266-2012 |
Radio frequency identification - 13.56MHz Tag basic electrical characteristics 射频识别 13.56MHz标签基本电特性 |
China National Standards Hz |
English PDF |
| GB/T 14617.2-2012 |
Propagation characteristics in land mobile service and fixed service - Part 2: Propagation characteristics for the terrestrial fixed service in 100 MHz～1 000 MHz 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 |
China National Standards Hz |
English PDF |
| GB/T 28926-2012 |
Information technology - Radio frequency identification - Conformance test methods for air interface at 2.45GHz 信息技术 射频识别 2.45GHz空中接口符合性测试方法 |
China National Standards Hz |
English PDF |
| GB/T 28925-2012 |
Information technology - Radio frequency identification - Air interface protocol at 2.45 GHz 信息技术 射频识别 2.45GHz空中接口协议 |
China National Standards Hz |
English PDF |
| GB/T 28500-2012 |
Technical requirements of 900/1800MHz TDMA digital cellular mobile network signaling system NO.7 ISUP 900/1800MHz TDMA 数字蜂窝移动通信网No.7 ISUP信令技术要求 |
China National Standards Hz |
English PDF |
| GB/T 15157.12-2011 |
Connectors for frequencies below 3 MHz for use with printed boards - Part 12: Detail specification for dimensions, general requirements and tests for a range of sockets designed for use with integrated circuits 频率低于3MHz的印制板连接器 第12部分：集成电路插座的尺寸、一般要求和试验方法详细规范 |
China National Standards Hz |
English PDF |
| GB/T 26256-2010 |
Interference, coexistence and corresponding measurement methods of 2.4GHz wireless telecommunications equipment 2.4GHz频段无线电通信设备的相互干扰限制与共存要求及测试方法 |
China National Standards Hz |
English PDF |
| GB/T 22450.1-2008 |
Limits and measurement methods of electromagnetic compatibility for 900/1800MHz TDMA digital cellular telecommunications system - Part 1: Mobile station and ancillary equipment 900/1800MHz TDMA 数字蜂窝移动通信系统电磁兼容性限值和测量方法 第1部分：移动台及其辅助设备 |
China National Standards Hz |
English PDF |
| GB/T 13441.2-2008 |
Mechanical vibration and shock - Evaluation of human exposure to whole-body vibration - Part 2: Vibration in buildings(1Hz to 80Hz) 机械振动与冲击 人体暴露于全身振动的评价 第2部分：建筑物内的振动（1Hz～80Hz） |
China National Standards Hz |
English PDF |
| GB/T 4854.5-2008 |
Acoustics - Reference zero for the calibration of audiometric equipment- Part 5: Reference equivalent threshold sound pressure levels for pure tone in the frequency range 8 kHz to 16 kHz 声学 校准测听设备的基准零级 第5部分：8kHz-16kHz频率范围纯音基准等效阈声压级 |
China National Standards Hz |
English PDF |
| GB/T 14598.13-2008 |
Electrical relays - Part 22-1:Electrical disturbance tests for measuring relays and protection equipment - 1 MHz burst immunity tests 电气继电器 第22-1部分：量度继电器和保护装置的电气骚扰试验 1 MHz脉冲群抗扰度试验 |
China National Standards Hz |
English PDF |
| GB/T 21646-2008 |
Technical specification and testing methods for analog public radio interphone on 400MHz band 400MHz频段模拟公众无线对讲机技术规范和测量方法 |
China National Standards Hz |
English PDF |
| GB/T 6113.105-2008 |
Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-5: Radio disturbance and immunity measuring apparatus - Antenna calibration test sites for 30MHz to 1000MHz 无线电骚扰和抗扰度测量设备和测量方法规范 第1-5部分: 无线电骚扰和抗扰度测量设备 30MHz～1000MHz天线校准用试验场地 |
China National Standards Hz |
English PDF |
| GB/T 18387-2008 |
Limits and test methods of magnetic and electric field strength from electric vehicles, Broadband, 9kHz to 30MHz 电动车辆的电磁场发射强度的限值和测量方法,宽带,9kHz～30MHz |
China National Standards Hz |
English PDF |
| GB/T 15157.14-2007 |
Connectors for frequencies below 3 MHz for use with printed boards - Part 14: Detail specification for circular connectors for low-frequency audio and video applications such as audio, video and audio-visual equipment 频率低于3MHz的印制板连接器 第14部分: 音频、视频和音像设备用低音频及视频圆形连接器详细规范 |
China National Standards Hz |
English PDF |
| GB/T 17626.16-2007 |
Electromagnetic compatibility - Testing and measurement techniques - Test for immunity to conducted，common mode disturbances in the frequency range 0Hz to 150kHz 电磁兼容 试验和测量技术 0Hz～150kHz共模传导骚扰抗扰度试验 |
China National Standards Hz |
English PDF |
| GB/T 18015.6-2007 |
Multicore and symmetrical pair/quad cables for digital communications - Part 6: Symmetrical pair/quad cables with transmission characteristics up to 600MHz - Work area wiring - Sectional specification 数字通信用对绞或星绞多芯对称电缆 第6部分：具有600MHz及以下传输特性的对绞或星绞对称电缆 工作区布线电缆 分规范 |
China National Standards Hz |
English PDF |
| GB/T 18015.5-2007 |
Multicore and symmetrical pair/quad cables for digital communications - Part 5: Symmetrical pair/quad cables with transmission characteristics up to 600MHz - Horizontal floor wiring - Sectional specification 数字通信用对绞或星绞多芯对称电缆 第5部分：具有600MHz及以下传输特性的对绞或星绞对称电缆 水平层布线电缆 分规范 |
China National Standards Hz |
English PDF |
| GB/T 17562.8-2002 |
Rectangular connectors for frequencies below 3MHz--Part 8:Detail specification for connectors，four-signal contacts and earthing contacts for cable screen 频率低于3 MHz的矩形连接器 第8部分:具有4个信号接触件和电缆屏蔽用接地接触件的连接器详细规范 |
China National Standards Hz |
English PDF |
| GB/T 15157.7-2002 |
Connectors for frequencies below 3MHz for use with printed boards--Part 7:Detail specification for connectors，8-way，including fixed and free connectors with common mating features，with assessed quality 频率低于3 MHz的印制板连接器 第7部分:有质量评定的具有通用插合特性的8位固定和自由连接器详细规范 |
China National Standards Hz |
English PDF |
| GB/T 18022-2000 |
Acoustics--Methods for measuring the longitudinal sound speed and attenuation coefficient of rubbers and plastics in the frequency range 1 MHz to 10 MHz 声学 1～10 MHz频率范围内橡胶和塑料纵波声速与衰减系数的测量方法 |
China National Standards Hz |
English PDF |
| GB/T 13621-1999 |
Capacity series and radio-frequency channel arrangement and equipment main technical specifications for 100～1000 MHz radio relay communication systems 100～1000 MHz接力通信系统的容量系列波道配置及设备的主要技术要求 |
China National Standards Hz |
English PDF |
| GB/T 17562.1-1998 |
Rectangular connectors for frequencies below 3 MHz--Part 1: Generic specification--General requirements and guide for the preparation of detail specifications for connectors with assessed quality 频率低于3 MHz的矩形连接器 第1部分 总规范 一般要求和编制有质量评定要求的连接器详细规范的导则 |
China National Standards Hz |
English PDF |
| GB/T 6219-1998 |
Semiconductor devices--Discrete devices--Part 8:Field-effect transistors--Section One:Blank detail specification for single-gate field-effect transistors up to 5W and 1GHz 半导体器件 分立器件 第8部分:场效应晶体管 第一篇 1 GHz、5 W以下的单栅场效应晶体管 空白详细规范 |
China National Standards Hz |
English PDF |
| GB/T 15157.2-1998 |
Connectors for frequencies below 3MHz for use with printed boards--Part 2:Detail specification for two-part connectors with assessed quality，for printed boards，for basic grid of 2.54 mm(0.1in) with commonmounting features 印制板用频率低于3 MHz的连接器 第2部分:有质量评定的具有通用安装特征 基本网格2.54 mm(0.1in)的印制板用两件式连接器详细规范 |
China National Standards Hz |
English PDF |
| GB/T 17500-1998 |
Satellite earth stations(SES)--Receive-only very small aperture terminals(VSAT) used for data distribution operating in the 11/12 GHz frequency bands 卫星地球站 工作在11/12 GHz频带下用于数据分配的只接收甚小口径终端(VSAT)技术要求 |
China National Standards Hz |
English PDF |
| GB/T 17252-1998 |
Acoustics--Characteristics and measurements of ultrasonic piezoelectric transducers up to 100kHz 声学 100 kHz以下超声压电换能器的特性和测量 |
China National Standards Hz |
English PDF |
| GB 16788-1997 |
Measurements and limits of immunity of cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz 30 MHz～1GHz 声音和电视信号电缆分配系统抗扰度测量方法和限值 |
China National Standards Hz |
English PDF |
| GB 16787-1997 |
Measurements and limits of radiation of cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz 30 MHz～1GHz 声音和电视信号的电缆分配系统辐射测量方法和限值 |
China National Standards Hz |
English PDF |
| GB/T 16607-1996 |
Methods of measurement of radiated interference from microwave ovens for frequencies above 1GHz 微波炉在1 GHz以上的辐射干扰测量方法 |
China National Standards Hz |
English PDF |
| GB/T 16540-1996 |
Acoustics--Measurement and characterisation of ultrasonic fields in the frequency range 0.5MHz to 15MHz--Hydrophone method 声学 在0.5～15 MHz频率范围内的超声场特性及其测量水听器法 |
China National Standards Hz |
English PDF |
| GB/T 15942-1995 |
Technical requirement and testing methods for mobile station access to 900MHz public mobile telecommunication system 900 MHz 公用移动通信系统移动台进网技术要求及测试方法 |
China National Standards Hz |
English PDF |
| GB/T 15841-1995 |
Networking specification for digital microwave communication equipments 2～8 GHz digital microwave transceiver 数字微波通信设备进网技术要求 2～8 GHz数字微波收发信机 |
China National Standards Hz |
English PDF |
| GB/T 15157-1994 |
Connectors for frequencies below 3MHz for use with printed boards--Part l:Generic specification--Gen-eral requirements and guide for the preparation of detail specifications， with assessedquality 印制板用频率低于3 MHz的连接器 第1 部分:总规范 一般要求和编制有质量评定的详细规范的导则 |
China National Standards Hz |
English PDF |
| GB/T 14435.2-1993 |
Frequency sharing between the broadcasting-satellite service and terrestrial services--Frequency sharing between the broadcasting-satellite service (television) and terrestrial broadcasting services(television) in frequency band 620～790MHz 卫星广播业务和地面业务间的频率共用 620～790 MHz卫星广播业务(电视)和地面广播业务(电视)间的频率共用 |
China National Standards Hz |
English PDF |
| GB/T 14434-1993 |
Planning parameters for broadcasting-satellite service(BSS) in the band 12 GHz and BSS feeder links 12 GHz频段卫星广播业务(BSS)及其馈线链路的规划参数 |
China National Standards Hz |
English PDF |
| GB/T 14401-1993 |
Signalling between mobile station and base station and mobile services switching centre in public land mobile communication network at 450MHz band 公用陆地移动通信网(450 MHz频段)中移动台-基站-移动电话交换局之间的信令 |
China National Standards Hz |
English PDF |
| GB/T 14086-1993 |
Pre-recorded optical reflective videodisk system Laser vision 50 Hz/625 lines--PAL 预录节目光学反射式视盘系统LV50 Hz/625行--PAL制 |
China National Standards Hz |
English PDF |
| GB/T 13921-1992 |
Guidelines for the evaluation of the response of occupants of fixed structures，especially buildings and off-shor structures，to low-frequency horizontal motion (0.063～1Hz) 关于固定结构特别是建筑物和海上结构的居住者对低频(0.063～1Hz)水平运动响应的评价导则 |
China National Standards Hz |
English PDF |
| GB/T 13856-1992 |
Specification for 4GHz band microwave service channel equipment 4 GHz微波联络机技术条件 |
China National Standards Hz |
English PDF |
| GB/T 13169-1991 |
General specification for 4MHz (960ch) carrier systems on standardized 1.2/4.4 mm coaxial cable pairs 标准1.2/4.4 mm同轴线对上4 MHz (960路)载波通信系统总技术要求 |
China National Standards Hz |
English PDF |
| GB/T 13168-1991 |
General specification for 8MHz (1800ch) carrier systems on standardized 2.6/9.5mm coaxialcable pairs 标准2.6/9.5 mm 同轴线对上8 MHz (1800路) 载波通信系统总技术要求 |
China National Standards Hz |
English PDF |
| GB/T 11299.12-1989 |
Methods of measurement for radio equipment used insatellite earth stations--Part 3:Methods of measurements for combination of sub-systems--Section two:Measurement of the figure of merit(G/T)of the receiving system in the 4GHz to 6GHz range 卫星通信地球站无线电设备测量方法 第三部分:分系统组合测量 第二节:4～6 GHz接收系统品质因数(G/T)测量 |
China National Standards Hz |
English PDF |
| GB/T 9413-1988 |
Methods of measurement of modems for wide band using 60～108 kHz group band circuits 用于60～108 kHz基群电路的宽带调制解调器的测量方法 |
China National Standards Hz |
English PDF |
| GB/T 9412-1988 |
Modems for date transmission at 48 kilobits per second using 60～108 kHz group band circuits 用于60～108 kHz基群电路的48 kbit/s数据传输的调制解调器 |
China National Standards Hz |
English PDF |
| GB/T 9050-1988 |
General specifications for 8GHz band microwave communication equipment used in analogue radio-relay systems 模拟微波接力通信系统8 GHz微波通信设备总技术条件 |
China National Standards Hz |
English PDF |
| GB/T 9025-1988 |
Cabled distribution systems primarily intended for sound and television signals operating between30 MHz and 1 GHz--Electrical and mechanical matching values 30 MHz～1GHz声音和电视信号的电缆分配系统 机电配接值 |
China National Standards Hz |
English PDF |
| GB/T 7343-1987 |
Methods of measurement of the suppresion characteristics of passive radio interference filters and suppression components over the frequency range of 10kHz to 30MHz 10 kHz～30 MHz无源无线电干扰滤波器和抑制元件抑制特性的测量方法 |
China National Standards Hz |
English PDF |
| GB/T 6282-1986 |
Interface parameters of the 25 to 1000MHz land mobile telecommunication network connecting to public telecommunication network through subscriber lines 25～1000 MHz陆地移动通信网通过用户线接入公用通信网的接口参数 |
China National Standards Hz |
English PDF |
| GB 6280-1986 |
Capacity series and frequency channels arrangement in 25 to 1000 MHz land mobile telecommunication network 25～1000 MHz陆地移动通信网的容量系列及频道配置 |
China National Standards Hz |
English PDF |
| Find out:93Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
