CWNP
PW0-250 · Question #22
What is the purpose of Friis transmission equation [(LdB) = 20 log(d) + 20 log (f) - 27.55 ]?
The correct answer is C. Calculate RF path loss in free space. See the full explanation below for the reasoning.
Question
What is the purpose of Friis transmission equation [(LdB) = 20 log(d) + 20 log (f) - 27.55 ]?
Options
- ACalculate earth bulge to determine minimum antenna height
- BCalculate receive sensitivity for an 802.11 radio/antenna pair
- CCalculate RF path loss in free space
- DCalculate the loss experienced between the intentional radiator and antenna
- ECalculate the minimum voltage requirements for lightning suppression systems
How the community answered
(38 responses)- B5% (2)
- C79% (30)
- D3% (1)
- E13% (5)
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