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If the DNS servers used by your ISP are far away or overloaded, you'll likely notice poorer internet speeds overall. Using your ISP's default DNS servers might be slowing down your downloads. If there's no way to minimize obstructions, switching to 2.4 GHz can improve your download speeds. Physical obstructions, including walls, tall furniture, and glass from mirrors and windows can also interfere with your connection to the Wi-Fi router, especially if you're using 5 GHz.And, if you live in an apartment or condo, your neighbors' Wi-Fi connections can overcrowd 2.4 GHz bands.
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X Research source If your router supports both frequencies, switching to the other might benefit you. 2.4 GHz Wi-Fi travels a farther distance at lower speeds, while 5 GHz provide faster speeds at shorter ranges. It may be beneficial to switch Wi-Fi frequencies depending on your home or office layout.
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