Wi-Fi Signal Interpreter
Enter an RSSI value in dBm to see a rough signal label, estimated SNR range, and VoIP margin guidance.
A QUICK WALKTHROUGH
How to use this tool
- Enter measured RSSI and a required noise floor in dBm.
- Set thresholds in descending order: excellent > good > fair.
- Review the local estimate; it is not a live radio or call-quality measurement.
Enter values you already measured. This tool does not scan devices, read Wi-Fi hardware, or claim a live measurement.
Inputs stay in this browser; no device scan or network request is used.
Rough configurable guidance
Labels use editable thresholds and SNR is RSSI minus noise floor. Real performance depends on channel use, interference, devices, codecs and other conditions. A negative SNR is marked invalid. This tool does not test or guarantee VoIP quality.
GOOD TO KNOW
Common questions
Does this scan my Wi-Fi?
No. Enter your measured RSSI and noise floor yourself; the page does not access Wi-Fi hardware or scan nearby networks.
Is the VoIP result a guarantee?
No. It is a rough guide from your values, not a call-quality test or service guarantee.
Can I change the labels?
Yes. Adjust the thresholds to match your documentation or environment.