Two rules of thumb for channel selection on the 2.4 GHz bandĪs far as possible, you do not want other access points nearby that use the same channel. Follow the instructions provided by the supplier for your router/access point – how to proceed varies from product to product. If you see that your own network is on the same channel as many neighboring networks, you can change your setup by accessing the settings for your router or other wireless access point and changing the channel there. When you see which channels are being used by other networks, you can change the channel on your own network to reduce interference, primarily on the 2.4 GHz band, where interference and overlap are causing the most problems. What Do You Do with the Results of a Wi-Fi Scan? How to Use the AirPort App for iOS as a Wi-Fi Scanner It is quite costly, but a simpler, free version exists for Windows.įree Wi-Fi scanners are available for most platforms.

In the example below we use the application inSSIDer. You can find more information about that here: Map your wireless network with a heat mapper.

However, if you are looking to measure coverage and signal strength for your own network, you will have more benefit from using a heat mapper. For this, also see further advice in Five questions to ask when your phone does not find Wi-Fi

Mobiles, computers, or other devices that can't find the network.

Slow or unstable wireless connections in your home.

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