China 'GB/T 21021.4-2021
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 21021.4-2021
Intermodulation level measurement for passive RF and microwave devices -- Part 4: Measurement of passive intermodulation in coaxial cables 无源射频和微波元器件的互调电平测量 第4部分:同轴电缆的无源互调测量
Issued Date:2021/11/26
Implemented Date:2022/6/1
Issued by:
The Standardization Administration of the People's Republic of China