(TCO A) What disadvantages do wireless networks have?(TCO A) An electromagnetic signal contains what fields? What is their relationship?(TCO A) Define and give an example of narrow band and spread spectrum transmission. What is the big disadvantage of narrow band, and why is spread spectrum a good alternative?(TCO A) How is information conveyed using AM (amplitude modulation)?(TCO A) In phase modulation, what happens to the amplitude, the frequency, and the starting point of the cycle of a signal?
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