The electromagnetic spectrum is a finite resource. The more we use it, the more it is depleted, forever (as is the case with oil, etc.).
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Q1: Standards in the communications field generally promote
Q2: In general, an analog communications system is
Q4: In our communications system, the spectrum can
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Q8: One of the most popular and important
Q9: An integrated, digital communications network that can
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Q11: The term "hertz" refers to a signal's
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