The app works in 2 modes – Analyzer and Surveyor. Unlike other Wi-Fi apps, it doesn’t show any ads. WiFi Analyzer and Surveyor is my quick go-to app to analyze Wi-Fi networks on Android. Wi-Fi Mapping App for Android WiFi Analyzer and Surveyor Having said that, anything below -85 is a usable Wi-Fi signal. The smaller the number, the greater is the strength of the Wi-Fi. To simplify, Wi-Fi strength is basically a number between 0 and -110. Wi-Fi signal strength is represented by dBm (decibels milliWatt).
These color codes represent Wi-Fi signal strength. It uses different color codes to mark the coverage. Wi-Fi heatmap, basically, shows you the strength of your Wi-Fi signal around your office or home floor map.
Wi-Fi mapping involves creating a Wi-Fi heatmap.
