📡 Free Space Path Loss Calculator

Free Space Path Loss Calculator calculates the loss (in dB) between two antennas where the gain, distance and frequency are known. Free Space Path Loss (FSPL) calculations are often used to help predict RF signal strength in an antenna system. Loss increases with distance, so understanding the FSPL is an essential parameter for engineers dealing with RF communications systems.

Distance:			Kilometers Meters Centimeters Miles Yards Feet Inches
Frequency:			GHz MHz
Transmitter Gain (dB):
Receiver Gain (dB):
➥ Result:
Free Space Path Loss:

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