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If you discover that your AP uses channel 6 just like some other APs leaking into your space, try switching to a less crowded channel 12. Switch Channels: When according to the WiFi heatmap you are getting a decent coverage, but the transmission speed and the connectivity in general fail, let NetSpot check the statistics on your Access Point and the Access Points that are leaking into the measured space. Also moving the AP up from the floor and positioning antennas vertically (in case of moveable antennas) can change the situation to the better. Is there a concrete wall or a large metal cabinet or a fridge that is blocking the signal from access point? Something like this can be fixed by simply moving the access point further along to the other corner. For example, when the signal is weak off the particular side of the AP, examine the structure of the building in that direction. Move the Access Point: The first thing to try, and the easiest, is moving the access point around. Studying the heat map thoroughly helps you see the weaknesses of your WiFi coverage and gives an idea where to start to fix the issue. Now that you have a WiFi heatmap of your home or office you can take every benefit out of it. Studying the heat map thoroughly helps you see the weaknesses of your WiFi coverage At the very least, create one WiFi heatmap before deploying a new access point or changing the configuration/location and one after.

Create multiple WiFi heatmaps: Since WiFi heatmapper tools like NetSpot can create a comprehensive WiFi heatmap in just a couple of minutes, depending on the size of the surveyed area, you shouldn’t hesitate to create multiple WiFi heatmaps so that you have plenty of information upon which to base your decisions.

This is especially important when measuring the coverage of a mesh network, which may consist of dozens or even hundreds of wireless mesh nodes talking to one another.

Mark all AP locations: It may seem trivial, but experience tells us that people often forget to mark the exact locations of all access points when creating a WiFi heatmap, only to later struggle when interpreting the results.

Instead, measure during regular work hours so that you can see what the worst-case situation looks like. If you want to, for example, cover a large office with a strong WiFi signal, it makes little sense to measure after work, when everyone’s at home and there’s far less radio frequency interference.

Know when to measure: Your measurements should reflect real-life conditions as closely as possible.