These adapters need to be plugged into an available PCI slot within the case of the computer to function. It isn’t commonly used these days, but you can find Wi-Fi adapters that come with a PCI connector. Not all Wi-Fi adapters come in USB form, and sometimes an adapter may not even be necessary. What Are the Alternatives to USB Wi-Fi Adapters? Once the router or hotspot accepts your connection request, you will have access to the Internet. It is then simply selecting the SSID (Service Set Identifier) you wish to connect to and enter the password, if applicable. Your device will often install the drivers for you straight away, giving you almost immediate access to any nearby Wi-Fi connections. Gone are the days where you need to spend time installing the drivers from a CD. The majority, if not all, USB Wi-Fi adapters will be a plug-and-play device, meaning you simply need to plug it into an available USB port and it will start functioning straight away. Using one of these handy little devices really couldn’t be easier. You may also like: How Does a Wi-Fi Repeater Work? How to Use a USB Wi-Fi Adapter When both the device and Wi-Fi network agree to a connection being established, your device should be able to access the Internet. The adapter acts as a messenger between your device and the Wi-Fi network, sending signals and instructions between the two. The standards have changed over the years, allowing faster data transfer speeds, however, all Wi-Fi adapters will use the 2.4 GHz radio frequency band. The radio waves used by the Wi-Fi adapter must meet one of the 802.11 standards set by the Institute of Electrical and Electronics Engineers (IEEE).
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