I tried to extend the wifi signal in my house. Purchased Pods that were only compatible with the new Xfi modem. I now have TVs that cannot connect to the internet, cell phones that multiple application do not work (No Wifi signal available, a Wifi thermostat that sees the network but does not connect with the internet. The new modem only has 2 ethernet ports instead of 4. Fortunately my work computer connect to the internet via Wifi. After 6 calls for help I lost connection at the other end of the house and and have an appointment in 6 days after the initial install to address the problem.