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.

A device that adds 3G or 4G (LTE ... 4G modem." While a cellular modem plugs directly into the computer, smartphones and stand-alone broadband routers convert cellular signals into a Wi-Fi ...