If your router isn't a dual-band router, then you're stuck using the 2.4GHz band. While modern wireless dongles tend to support both bands, you can only utilize the 5GHz band if your router also transmits on the 5GHz band. Meanwhile, the 5GHz band is newer and more reliable, but has a shorter range and doesn't work with older devices. The 2.4GHz band is older and supported by most devices, but slower. Wi-Fi devices can communicate using two different bands. Here are some reasons why your USB Wi-Fi adapter is slow, and what you can do about it. In particular, it's common to have poor wireless speeds that don't live up to what you get on other devices in your home. But when using a Wi-Fi dongle, you may run into some issues. A wireless dongle, also called a Wi-Fi adapter, provides Wi-Fi capabilities to a device that otherwise isn't Wi-Fi-capable, such as a desktop PC with no wireless network card.ĭongles are useful because you can easily move them between devices, they don't take up much space, and the added functionality is convenient. A dongle is a small device, typically in the general form of a USB flash drive, that plugs into another device to provide extra functionality.
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