DIN EN 302217-1-2007 固定无线电系统.点对点设备和天线的特征和要求.第1部分:概述和系统无关共模特性
Fixed Radio Systems - Characteristics and requirements for point-to-point equipment and antennas - Part 1: Overview and system-independent common characteristics (Endorsement of the English version EN 302217-1 V1.2.1 (2007-06) as German standard)