RF Link Budget
Build a one-way RF budget from transmitter power through antenna gains, free-space loss, receiver noise, and required carrier-to-noise margin.
Signal power through the link
Antenna gains and losses set receiver margin.
Budget steps from transmitter output through receiver input.
Free-space loss
159.30 dB
Noise floor
-111.98 dBm
Required signal
-101.98 dBm
Receiver input
-84.30 dBm
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.