Sentences with phrase «kilohertz band»
Each lightning network site hosts an 8 - to 12 - foot antenna that registers frequencies in the 10 kilohertz band, and sends that information to a sound card on an Internet - connected laptop.
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Today the picture of the radio spectrum is a color - coded colossus composed of hundreds of bands allotted by the FCC from frequencies as low as 6 kilohertz to as high as 300 gigahertz.