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E2C09

How does the spread-spectrum technique of frequency hopping (FH) work?

Select	Answer
A	If interference is detected by the receiver it will signal the transmitter to change frequencies
B	If interference is detected by the receiver it will signal the transmitter to wait until the frequency is clear
C	The frequency of the transmitted signal is changed very rapidly according to a particular sequence also used by the receiving station
D	A pseudo-random binary bit stream is used to shift the phase of an RF carrier very rapidly in a particular sequence

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