How Does Wifi Work For Dummies?
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WiFi is a technology that allows devices like computers, tablets, and smartphones to connect to the Internet. It works by providing a wireless connection between a router (a device that transmits and receives signals over the air) and a laptop, desktop, smartphone, tablet, or other device.
To use WiFi, the device first needs to be configured to look for and connect to available WiFi networks. Each network will have its own name (or SSID) and password. Once connected, information can be sent and received over the air.
Because the data is broadcast through a radio signal, it can pass through most walls, floors, and ceilings. This means that you can use WiFi in different rooms, provided it is within range of your router. The range of a typical home router is usually around 15–20 feet.