12/30260381 DC BS EN 62153-4-4 金属通信电缆测试方法 电磁兼容性(EMC) 屏蔽屏蔽衰减 测量高达 3 GHz 及以上屏蔽衰减的测试方法 (拟议的水平标准)
BS EN 62153-4-4. Metallic communication cable test methods. Electromagnetic compatibility (EMC). Shielded screening attenuation, test method for measuring of the screening attenuation as up to and above 3 GHz. (Proposed horizontal standard)