The Motorola SBG6580 is a DOCSIS 3.0 cable modem router designed for use with Comcast Xfinity and Cox internet services. With four LAN ports, this modem-router combo offers fast and reliable internet connectivity for home networking needs. The ARRIS brand ensures quality and compatibility with various cable modem services. Perfect for households looking for a seamless internet experience, the Motorola SBG6580 combines modem and router functions in a single device for convenience and efficiency.