But a new breed of wireless Internet service providers using white-space frequencies will not have to pay for their spectrum.

但新成立的使用白色空间的无线网络服务营运商将无须为使用频谱而付费。

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For one thing, white-space transmitters have to avoid interfering with both local television stations and the wireless microphones used in conference halls, sports arenas, theatres and churches.

首先，空白频段发射机必须避免与本地电视台互相干扰，也得防止同会议室、运动场、剧院和教堂使用的无线麦克风相互干扰。

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TV white space spectrum signals travel well, making it well suited for mobile wireless devices.

电视白色空间频段上的信号传输稳定。所以这个频段非常适于无线移动设备的应用。

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Compared with other forms of wireless technology, such as Bluetooth and wi-fi, white space devices are being designed to use a much wider range of frequencies, including the lower frequencies that have traditionally been reserved for TV and radio.

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For one thing, white-space transmitters have to avoid interfering with both local television stations and the wireless microphones used in conference halls, sports arenas, theatres and churches.

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Compared with other forms of wireless technologies, such as regular Bluetooth and Wi-Fi, the radio waves used by white space devices will be able to travel longer distances and more easily through walls.

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