If you want to transmit 7 times as fast in radio,you need to use ________.
A) channels that are about 7 times as wide
B) channels that are about 49 times as wide
C) spread spectrum transmission
D) none of the above
Correct Answer:
Verified
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A)
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Q34: In unlicensed bands,_.
A) you can use radios
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Q37: The frequency spectrum extends _.
A) into the
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