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Take a look at the “Summary” section, and you’ll find a “Best 2.4 GHz” and “Best 5 GHz” channel – for the best results, these are the channels you should be connecting to. While it’s interesting to get an insight into your neighbour’s networks, you don’t have to dig through this table in order to discover the least populated channel. To see exactly which channels you and your neighbours are broadcasting on, scroll right, to the “Channel” column. The subsequent window contains a wealth of information about all your neighbouring networks. From the toolbar, select “Window > Scan.”.Hold down the “Option/Alt” key on your keyboard, while pressing the “Wi-Fi” icon in your Mac’s menu bar.Check your neighbours!įor the fastest, most reliable Wi-Fi, you should identify and connect to the least crowded channel: There’s also a choice of channels for both 5GHz and 2.4GHz frequencies. Modern routers broadcast both 5GHz and 2.4GHz Wi-Fi signals at the same time, so your router shouldn’t have any issues shifting between these frequencies, depending on what works best for you. This frequency is typically faster than 5GHz and doesn’t overlap with other common household applications, but 5GHz doesn’t pass through obstacles as easily as 2.4GHz. Typically, 2.4GHz has 13 different Wi-Fi channels, but there’s a number of household devices that share the 2.4GHz frequency, including baby monitors and cordless phones. This frequency is typically slower, but is better than 5GHz at penetrating brick and concrete.
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Just like radio stations, Wi-Fi operates on different frequencies: