Routers traditionally distribute Wi-Fi signals evenly in all directions, creating situations in which signal strength is wasted. Wi-Fi signal boosters increase the range of a wireless router by replacing its original antenna with one that can amplify and concentrate the signal. This technology is useful if your router is in an inconvenient location in relation to a device you want to connect to it, such as on a different floor, by a wall or on opposite ends of a structure.
Unscrew the original antenna on your wireless router. The antenna should unscrew by hand.
Screw on the connector cable associated with the Wi-Fi signal booster, by hand, onto the router's connector used by the original antenna.
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Plug in the Wi-Fi signal booster, if applicable.
Connect an electronic device to your wireless router as you normally do. You should experience increased signal strength. The Wi-Fi signal booster requires no additional setup.