Which organization defines the rules for FHSS power output under CFR Part 15?

Which organization defines the rules for FHSS power output under CFR Part 15?

• A. NOAA.
• B. Federal Communications Commission (FCC).
• C. Department of Commerce.
• D. ITU.

Answer: (B)

The key idea is that CFR Part 15 is the set of U.S. regulations that governs unlicensed radio devices, including how much power they may emit when using frequency-hopping spread spectrum (FHSS). The organization that defines and enforces these rules in the United States is the Federal Communications Commission. FHSS power limits are part of Part 15 rules to keep devices from causing harmful interference in shared spectrum, so manufacturers must design their devices to stay within those limits.

The other options don’t set these U.S. regulatory requirements. NOAA and the Department of Commerce aren’t responsible for regulating unlicensed RF devices under Part 15. ITU is an international standards body that provides guidelines and recommendations, but CFR Part 15 is U.S. law enforced by the FCC, not an ITU regulation.