同时可以通过改变波段的频率以避免信号间的相互干扰，以便更多的频段能够得到使用。
The frequency of the wave can be changed so that signals do not interfere with one another, allowing more of the spectrum to be used.
white space是行业术语，指的是毗连电视频段的未使用的波段，它还可以为收到的杂散信号和其他干扰提供缓冲。
White space is industry lingo for the unused airwaves that abut TV spectrum and provide a buffer from stray signals and other interference.
Cubic公司研发多频段微型收发器，以满足日益增长的多波段可移动加密设备要求。
Cubic developed the MMT to meet the growing operational requirement for multiband units with removable encryption.
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