Link Budget (Optical & RF)

Free space path loss (FSPL) and fiber optic budget (1310/1550nm attenuation, connectors, splices).

RF link status:
Feasible (>10 dB)
17.8 dB

How to use this tool

Add gains and subtract losses to estimate received power. Compare it with receiver sensitivity and retain an operating margin.

Worked example

With 0 dBm transmit power and 10 dB total path loss, estimated received power is -10 dBm before any additional gains or losses.

Interpreting the result

For fiber, account for connectors, splices and cable length. For radio, account for frequency, distance, obstructions and propagation conditions.

All calculators and tools
Usar esta ferramenta em português