What is a WiFi Repeater ?

A WiFi repeater or booster is used to extend the coverage area of your WiFi network. It works by receiving your existing WiFi signal, amplifying it, and then transmitting the boosted signal. Before you buy one, the simple truth to know about boosters and range extenders is that they just are not worth the money. However, there are some things you can do to boost your WiFi network's range and performance for FREE.