![]() Use the Mac’s built-in tools to get information about the network. We highly recommend using any of these uncontested channels but, if possible, try switching to the 5GHz frequency, because there are fewer clients using it. ![]() There are only three non-overlapping 20MHz wide channels in the 2.4GHz frequency: channels 1, 6 and 11. ![]() It’s unlikely that your router is the only one in the area using the 2.4GHz frequency – think neighbors’ routers, baby monitors, Bluetooth devices, cordless phones, and such – and so it’s important to keep in mind that adjacent channels will interfere with each other, therefore causing a poor signal. One of the most common causes of poor Wi-Fi performance is network interference. Mac computers also support these two frequency bands, but older devices such as the iPhone 4, for example, only support the 2.4GHz band. ![]() Nowadays, good routers and access points support two frequencies: 2.4GHz and 5GHz. ![]()
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