But Comcast has just released its new xFi Advanced Gateway, a high-speed modem-router combo that can handle ... There’s an 8×8 antenna array and support for MU-MIMO, which is a bunch of letters ...

Modems and routers can experience hardware and software glitches, even if a reputable company like Comcast services them.

Comcast has a new router designed to stay connected to the internet during storms and power outages. Comcast's Storm-Ready Wi-Fi device, announced Tuesday, costs $7 a month for 36 months ...