CWNP
CWNA-108 · Question #59
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 E. 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
- AMinimum output power level of 2 W
- BAccurate Earth Bulge calculations
- CGrid antennas at each endpoint
- DA minimum antenna gain of 11 dBi at both endpoints
- EA Fresnel Zone that is at least 60% clear of obstructions
How the community answered
(41 responses)- A2% (1)
- C7% (3)
- D5% (2)
- E85% (35)
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