Extra exam question E2C04
Subelement E2, OPERATING PROCEDURES· Group E2C
Which of the following frequencies can be used for amateur radio mesh networks?
- A.HF frequencies where digital communications are permitted
- B.Frequencies shared with various unlicensed wireless data services (correct answer)
- C.Cable TV channels 41-43
- D.The 60-meter band channel centered on 5373 kHz
WhyAmateur mesh networks commonly run on frequencies shared with various unlicensed wireless data services. Amateur mesh networks commonly run on amateur allocations that overlap frequencies also used by unlicensed Part 15 wireless data services, like the bands shared with Wi-Fi, using modified commercial wireless hardware running amateur mesh firmware, answer B. Ordinary HF digital segments, analog cable TV channels, and the narrow 60-meter channel are not the frequencies typically used for high-throughput amateur mesh networking.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2024-2028 NCVEC Element 4 pool (public domain); the explanation above is original writing, see our methodology.
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