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Home - RF/Microwave Calculators & Conversions - Link Budget Calculator

Link Budget Calculator

Pasternack's Link Budget Calculator determines the received signal strength (in dBm) given a systems amplifier gains, antenna gains and space loss.

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Transmitter Power Output:
Transmitter Antenna Gain (dBi):
Transmitter Loss (dB):
Miscellaneous Loss (dB):
Receiver Antenna Gain (dBi):
Receiver Loss (dB):

Result:
Received Power:

Link Budget is a way of quantifying a communication link's performance while accounting for the system's power, gains, and losses for both the transmitter (Tx) and receiver (Rx).

**Note: All of our calculators allow SI prefix input. For example, if you wish to input "25000000", just type "25M" instead. See the quick-reference table below for all compatible SI prefixes.
Prefix Symbol Value
Tera 'T' 1012
Giga 'G' 109
Mega 'M' 106
kilo 'k' 103
Prefix Symbol Value
pico 'p' 10-12
nano 'n' 10-9
micro 'u' 10-6
milli 'm' 10-3