DIN EN 301840-1:2002
电磁兼容性和射频频谱管理(ERM).在CEPT协调带宽1785MHz-1800MHz下工作的数字无线电扬声器.第1部分:技术特性和测量方法
Electromagnetic compatibility and Radio spectrum Matters (ERM) - Digital radio microphones operating in the CEPT Harmonized band 1785 MHz to 1800 MHz - Part 1: Technical characteristics and methods of measurement (Endorsement of the English version EN 301