Calculate free space path loss FSPL(dB) = 20×log₁₀(4πd/λ) = 20×log₁₀(d) + 20×log₁₀(f) + 92.4 for d in km and f in GHz. Fundamental for RF link budget analysis.
Enter the values for the scenario you are assessing. Calculate free space path loss FSPL(dB) = 20×log₁₀(4πd/λ) = 20×log₁₀(d) + 20×log₁₀(f) + 92.4 for d in km and f in GHz. Fundamental for RF link budget analysis. Use the fspl calculator result to inform your calculation.