Posted by: Pdfprep
Post Date: October 26, 2020
What is always required to establish a high quality 2.4 GHz RF link at a distance of 3 miles (5 kilometers)?
A . Grid antennas at each endpoint
B . A Fresnel Zone that is at least 60% clear of obstructions
C . A minimum antenna gain of 11 dBi at both endpoints
D . Minimum output power level of 2 watts
Answer: B
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