AFIQ RF ENGINEERING TOOL

Link Budget Calculator

Received Signal Level (RSL) estimation for point-to-point links

Signal Parameters
dBm
GHz
Antenna Parameters
m
m
System Losses
dB
dB
dB
Received Signal Level
dBm
Full Calculation Breakdown
Step-by-Step Values
Wavelength (λ)
Gain — Site A (Gₐ) 10 · log₁₀(6 · (D_A/λ)²)
Gain — Site B (G_b) 10 · log₁₀(6 · (D_B/λ)²)
FSPL — 20·log(f) 20 · log₁₀( GHz)
FSPL — 20·log(d) 20 · log₁₀( m)
FSPL — constant unit factor (GHz + m) +32.44 dB
Free Space Path Loss (FSPL) 20log(f) + 20log(d) + 32.44
Total System Loss Tx + Rx + Other
RSL Pt + Gₐ + G_b − FSPL − Losses