The modem, which the company is billing as the most advanced device it's ever made, made its debut back in May, but starting today it's available in every market that Comcast offers gigabit internet.

The Advanced Gateway is for now only available to Comcast's gigabit internet customers. These devices act as a combined cable modem and wireless router for Comcast internet subscribers.

If you have an Xfinity modem, you can reset it without the app. This tutorial shows you how to restart your Xfinity router manually and through the website.

Have a need for speed? Comcast hopes so. The nation's largest Internet provider announced its new xFi Advanced Gateway modem across its network Wednesday, offering customers who subscribe to the ...

The Comcast xFi Advanced Gateway is now officially available nationwide to all xFinity broadband markets, aiming to enable Gigabit speeds over Wi-Fi.