FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E8D02

From subelement E8 - E8D

E8D02
Answer: B

What spread spectrum communications technique uses a high-speed binary bit stream to shift the phase of an RF carrier?

AFrequency hopping
BDirect sequence
CBinary phase-shift keying
DPhase compandored spread spectrum