Path Loss Calculator

Calculate RF path loss using FSPL, Okumura-Hata, COST 231, and other propagation models.

Propagation Parameters

Free Space Path Loss

80.05 dB
Path Loss at 100 m

Model Information

Formula
FSPL = 20 log10(4 pi d / lambda)
Frequency2400 MHz
Wavelength12.49 cm

Path Loss vs Distance

DistancePath Loss
10 m60.1 dB
50 m74.0 dB
100 m80.1 dB
500 m94.0 dB
1 km100.1 dB
5 km114.0 dB