This free upgrade enables upload speeds up to 100% faster and is available to over 20 million Comcast customers.

Comcast's Xfinity is available to more than a third of US households across 39 states, firmly establishing the company as the largest nationwide cable internet provider. Plans, pricing and service ...

Comcast Xfinity on Monday announced a new modem-router, called the xFi Advanced Gateway, which supports Wi-Fi 6E, the latest generation of Wi-Fi that can take advantage of the 6GHz spectrum band.