What is a "Wifi Signal Strength Mapping"? The Most Authoritative Explanation.

What is a "Wifi Signal Strength Mapping"? The Most Authoritative Explanation.

What is WiFi signal strength?

WiFi signal strength is tricky. The most accurate way to express it is with milliwatts (mW), but you end up with tons of decimal places due to WiFi's super-low transmit power, making it difficult to read. For example, -40 dBm is 0.0001 mW, and the zeros just get more intense the more the signal strength drops.

What is Wi-Fi mapping?

Wi-Fi mapping involves creating a Wi-Fi heatmap. Wi-Fi heatmap, basically, shows you the strength of your Wi-Fi signal around your office or home floor map. It uses different color codes to mark the coverage. These color codes represent Wi-Fi signal strength. Wi-Fi signal strength is represented by dBm (decibels milliWatt).

How to draw a WiFi signal strength heatmap with NetSpot?

To draw a WiFi signal strength heatmap with NetSpot, you first have to supply NetSpot with a map of the area you want to visualize. You can either upload an existing map or create one from scratch. With the map ready, you walk from one place to the next until you’ve measured WiFi strength everywhere.

What is the best WiFi signal strength meter app?

NetSpot is our favorite WiFi signal strength meter app because it combines simplicity with powerful features at an affordable price. NetSpot is both a WiFi signal strength visualizer and a WiFi discovery and analysis tool.

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