Zap a hydrogen atom and it will resonate at a particular rate: 1420 megahertz (MHz).

轰击氢原子可以与某一特定的频率产生共鸣: 1420兆赫。

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Wireless telephone that permits telecommunication within a defined area that may include hundreds of square miles, using radio waves in the 800-900 megahertz (MHz) band.

允许在数百上千公里的确定区域内通信的无线电话，使用800 ~ 900兆赫(MHz)频带的无线电波。

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Bandwidth - The range within a band of wavelengths or frequencies, in cable typically measured in megahertz. Fully upgraded cable systems usually offer 750 MHz of bandwidth.

带宽-一束波长或频率的范围。有线电视用赫兹来衡量，当今最新的有线电视系统通常能提供750兆赫的带宽。

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Washington is contemplating new sales of up to 500 megahertz (MHz) of underutilized or government-owned spectrum.

FORBES: Connect