DIN EN 61169-51-2015 射頻連接器.第51部分:帶有內徑為13,5 mm且有插銷節的外部導體的RF同軸連接器分規格. 特性阻抗50 O (QLI型)(IEC 61169-51-2015);德文版本EN 61169-51-2015
Radio-frequency connectors - Part 51: Sectional specification for RF coaxial connectors with inner diameter of outer conductors 13,5 mm with bayonet lock - Characteristic impedance 50 Ohm (type QLI) (IEC 61169-51:2015); German version EN 61169-51:2015