How to Find the Best Wi-Fi Channel for Your Router on Any Operating System
If you’re on the same Wi-Fi channel as a lot of your neighbors, you’ll experience a lot of interference with their networks—so it’s best to choose a different channel with fewer people on it. When you do, you’ll reduce that interference and improve your WI-Fi signal.
The first step, though, is finding out which channel is least congested in your area. These tools will help you identify which nearby networks are using which channels.