组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 31723.412-2021
Metallic communication cable test methods—Part 4-12: Electromagnetic compatibility (EMC)—Coupling attenuation or screening attenuation of connecting hardware—Absorbing clamp method
GB/T 11313.42-2021
Radio-frequency connectors—Part 42:Sectional specification for CQN series quick lock RF connectors
GB/T 21021.4-2021
Intermodulation level measurement for passive RF and microwave devices—Part 4: Measurement of passive intermodulation in coaxial cables
GB/T 21021.3-2021
Intermodulation level measurement for passive RF and microwave devices—Part 3: Measurement of passive intermodulation in coaxial connectors
GB/T 21021.2-2021
Intermodulation level measurement for passive RF and microwave devices—Part 2：Measurement of passive intermodulation in coaxial cable assemblies
GB/T 21021.1-2021
Intermodulation level measurement for passive RF and microwave devices—Part 1: General requirements and measuring methods
GB/Z 17624.6-2021
Electromagnetic compatibility—General—Part 6：Guide to the assessment of measurement uncertainty
GB/T 38659.2-2021
Electromagnetic compatibility—Risk assessment—Part 2:Electronic and electrical systems
GB/T 40602.1-2021
Antennas and reception systems for radio interference—Part 1: Basic measurement—Method for far field measuring in microwave anechoic chamber
GB/T 40602.2-2021
Antennas and reception systems for radio interference—Part 2:Basic measurement—Method for near field measuring high gain antenna pattern in microwave anechoic chamber
GB/T 16895.10-2021
Low-voltage electrical installations—Part 4-44: Protection for safety—Protection against voltage disturbances and electromagnetic disturbances
GB/T 16162-2021
Vocabulary for global maritime distress and safety system
GB/T 16850.3-2021
Optical amplifiers test methods—Part 3： Noise figure parameters for single-channel amplifiers
GB/T 18898.1-2021
Erbium doped fiber amplifier—Part 1：C band erbium doped fiber amplifier
GB/T 40686-2021
General technical requirements and test method of portable broadband emergency communication system
GB/T 27605-2021
Dynamic traffic information exchange format for satellite navigation
GB/T 7424.23-2021
Optical fibre cable generic specification—Part 23：Basic optical cable test procedures—Cable element test methods
GB/T 7424.21-2021
Optical fibre cable generic specification—Part 21：Basic optical cable test procedures—Mechanical test methods
GB/T 20184-2021
Raman fiber amplifier
GB/T 40657-2021
Public telecom network—Test methods for smart home application