Indoor RF Propagation Lab

Simulate wireless coverage and signal attenuation across floor plans. Click the canvas to deploy virtual access points and visualize RSSI heatmaps.

-30 dBm (Strong)
-90 dBm (Dead Zone)

RF Propagation Theory

Signal Mapping is used to predict wireless performance before physical deployment. It accounts for the Log-Distance Path Loss model, where signal strength decreases exponentially with distance.


RSSI (Received Signal Strength Indicator): Measured in decibels relative to one milliwatt (dBm). A value of -30 dBm is excellent, while -67 dBm is the minimum required for stable voice-over-WiFi, and -90 dBm usually indicates complete disconnection.

Heatmap Visualization: By using color gradients, engineers can identify "dead zones" where signal penetration is blocked by walls or heavy interference, allowing for optimal AP placement.

? How to Use Floor Plan Signal Heatmap

  1. Open the networking tool in your browser.
  2. Enter the IP address, domain, subnet, or network data.
  3. Select the calculation or lookup type you need.
  4. Click the action button to get instant results.
  5. Copy or export the network information for your records.

✓ Why Use This Tool

  • 100% Free — No account, subscription, or payment required.
  • Privacy First — All processing happens in your browser. Your files never leave your device.
  • No Installation — Works directly in any modern browser on any device.
  • Instant Results — Get your output in seconds without waiting for server processing.

Frequently Asked Questions

Can I use these networking tools without installing any software?

Yes. All IT and networking tools run directly in your browser. There is nothing to install, no configuration required, and they work on any operating system.

How accurate is the network diagnostic information?

The tools query live DNS resolvers and use your browser's network APIs for real-time data. Results reflect your actual network conditions at the time of the query.

Can IT professionals use these tools for client network diagnostics?

Yes. These tools are designed for professional use and provide accurate, real-time network information suitable for diagnosing DNS misconfigurations, IP conflicts, and connectivity issues.