If you have an android phone or tablet, you can download an app that can measure your WiFi signal as you walk around your home. There are several apps with this capability. I use the app “wifiman” by ubiquity. It is useful to diagnose WiFi signal strength. It shows all of the WiFi signals around you (including your neighbors). This is helpful to choose a channel with the minimum interference in your location.
Unfortunately, apple products don’t have this capability . (But you can find similar apps for a windows laptop.)
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