WiFi extenders can, in fact, expand the range of your wireless network. But their effectiveness is limited by a host of factors, including the speed of the internet connection coming into your home, the distance from your router, the areas in your home in need of WiFi coverage, and the WiFi demands of your family.

Do WiFi extenders make WiFi better?

Wi-Fi Boosters and Wi-Fi Extenders will increase your internet speed in many cases. ... Extending that signal will give devices further from your router a better connection, and therefore faster internet.

Why are WiFi extenders bad?

Wireless repeaters really amplify nothing and can make matters worse. ... If your repeater has insufficient coverage, it can actively help make your entire Wi-Fi network worse. See also: Bad apple: How One Device with Bad Coverage Can Spoil Your Wireless Network.