friis path loss calculator

enter a value (enter a frequency or wavelength value) and click calculate. the results will be displayed.

enter a value:

input point:
dB
wavelength:
m

or

frequency:
MHz
distance:
m
Gtx:
dB
Grx:
dB

calculation result:

Prx:
dB
friis path loss calculator frith's free space formula is the most important antenna theory formula. it is related to transmit power, antenna gain, distance, wavelength and received power. fries' formula is used to calculate the received power from one antenna to a second antenna.
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