CWNP
CWNA-107 · Question #163
What is always required to establish a high quality 2.4 GHz RF link at a distance of 3 miles (5 kilometers)?
The correct answer is B. A Fresnel Zone that is at least 60% clear of obstructions. See the full explanation below for the reasoning.
Question
What is always required to establish a high quality 2.4 GHz RF link at a distance of 3 miles (5 kilometers)?
Options
- AGrid antennas at each endpoint
- BA Fresnel Zone that is at least 60% clear of obstructions
- CA minimum antenna gain of 11 dBi at both endpoints
- DMinimum output power level of 2 watts
How the community answered
(36 responses)- A6% (2)
- B81% (29)
- C3% (1)
- D11% (4)
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