DIN EN 300220-4-2017 运行频段为25 MHz至1000 MHz的短距离设备(SRD). 第4部分: 包含2014/53/EU指令第3.2条基本要求的协调标准. 在指定频带169,400 MHz至169,4上运行的计量装置
Short Range Devices (SRD) operating in the frequency range 25 MHz to 1000 MHz - Part 4: Harmonised Standard covering the essential requirements of article 3.2 of the Directive 2014/53/EU - Metering devices operating in designated band 169,400 MHz to 169,4