What is always required to establish a high quality 2.4 GHz RF link at a distance of 3 miles (5 kilometers)?

Question

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

• A
  18% (6)
• B
  3% (1)
• C
  6% (2)
• D
  3% (1)
• E
  70% (23)

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