Github: https://github.com/DoctorLai/FreeSpaceCalculator The Path Loss is often referred to the wireless attenuation (in the unit of Decibel i.e. dB) between transmitter and receiver, as shown below. Free Space Path Loss Free Space Path Loss Formula To compute the Path Loss (dB), you will need the following factors: Emitting Frequency i.e. f (usually seen in the Continue Reading »