DIN EN 302217-2-1-2007 固定无线电系统.点对点设备和天线的特征和要求.第2-1部分:应用在频率协调频带中数字系统的系统相关要求
Fixed Radio Systems - Characteristics and requirements for point-to-point equipment and antennas - Part 2-1: System-dependent requirements for digital systems operating in frequency bands where frequency co-ordination is applied (Endorsement of the Englis