BS EN IEC 61169-63:2020
射频连接器 截面规范 射频同轴连接器 外导体内径为 6.5 毫米(0.256 英寸) 带卡口锁 特性阻抗 75 欧姆(BNC75 型)
Radio-frequency connectors - Sectional specification. RF coaxial connectors with inner diameter of outer conductor 6,5 mm (0,256 in) with bayonet lock. Characteristic impedance 75 ohms (type BNC75)