Our pick for the best Xfinity extender for most people: Xfinity Gen 2 xFi Pods Comcast offers a mesh network solution that is custom-designed to work with Xfinity WiFi routers, called xFi Pods ($119).

The Gen 2 xFi Pods, which measured five times faster than the originals in our tests, are the best WiFi extender for most Xfinity customers. Here's why.