DIN EN 50117-4-1-2014 同轴电缆.第4-1部分:依据EN 50173的BCT布线用电缆分规范.运行在频率为5MHz~3000MHz的系统用室内引入电缆
Coaxial cables - Part 4-1: Sectional specification for cables for BCT cabling in accordance with EN 50173 - Indoor drop cables for systems operating at 5 MHz - 3 000 MHz; German version EN 50117-4-1:2008 + A1:2013