DANSK DS/EN IEC 61169-21:2022
射频连接器 第21部分:带螺钉耦合的外导体内径 9.5 毫米(0.374 英寸)射频连接器分规范 特性阻抗 50 欧姆(SC 型)
Radio-frequency connectors – Part 21: Sectional specification for RF connectors with inner diameter of outer conductor 9.5 mm (0.374 in) with screw coupling – Characteristic impedance 50 ohms (Type SC)