标准摘要
[中文适用范围]： 还通过以下附录补充了 IEC 244-2：参考书目、由矩形脉冲组成的调制信号的频谱、传统电话信号、陆地移动通信 FM 或 PM 的语音模拟调制方法 [外文原描述]： Deals with the measurement of the power of components, either in the outer part of the emitted spectrum or far remote from the centre part of the spectrum, that may casue interference to other emissions.
英文名称Supplement B - Methods of measurement for radio transmitters - Part 2: Bandwidth, out-of-band power and power of non-essential oscillations - Modulating signals for the measurement of bandwidth and out-of-band power of transmitters for telephony and sound broadcasting