WiFi Analyzer

Diagnoses wireless network quality on a PC by evaluating signal, noise, channel usage, and interference to guide optimization.

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About This Tool

WiFi Analyzer Diagnostic ingests per-network inputs (SSID, BSSID, frequency, channel, RSSI, SNR, channel width) and outputs a quantified health view including interference, recommended channel, and estimated throughput.
Conceptually, the tool treats channel overlap as a driver of performance, uses SNR to estimate capacity via Shannon-Hartley, and provides actionable recommendations.
Who benefits: IT teams, network admins, MSPs, and advanced home users who need rapid diagnostics and a defensible basis for configuration changes.
Unique value: operates purely on user-supplied data, avoids the need for hardware probes, and delivers compact, decision-ready metrics with export options for reporting.

Save your calculation history with a free account

How to Use

Provide inputs (SSID, BSSID optional, frequency, channel, RSSI, SNR, channel width) and distance if known.
Validate data or run the calculation to detect input issues.
Review outputs: interference score, recommended channel, and estimated throughput.
Apply recommendations to channel planning or troubleshooting steps.
If available, export results for documentation or further analysis.

Frequently Asked Questions

Find Quick Answers

What inputs are required?

Required inputs include SSID, frequency (MHz), channel, RSSI (dBm), SNR (dB), and channel width. Optional BSSID and distance may improve accuracy but are not mandatory.

How is throughput estimated?

Throughput is estimated using Shannon-Hartley: B × log2(1 + SNR_linear) with a practical efficiency factor (~0.6) and B equal to channel width in Hz. This provides a conservative capacity estimate under current conditions.

What does interference score indicate?

The interference score reflects channel overlap with nearby networks and signal context. Higher scores indicate greater expected contention and potential degradation, guiding channel optimization decisions.

Can I replace a site survey with this tool?

No. This tool provides estimation based on user-provided data. It complements hardware surveys but does not substitute for a full site survey or spectrum analysis with dedicated equipment.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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