The Model MB7420 is a 16x4 686 Mbps DOCSIS 3.0 cable modem certified by a number of leading cable service providers including Comcast XFINITY, Time Warner Cable, Cox, and BrightHouse. Certified for speed tiers up to and including Comcast Xfinity Extreme 250, TWC Ultimate, and Cox Ultimate. Owning this modem eliminates modem rental charges that are often $100 or more per year. With easy installation, high-speed, broad compatibility, and superb customer support, Model MB7420 is the perfect choice for almost any cable modem user. 16 X 4 performance means that up to 16 cable data channels carry data from the Internet, sixteen times faster than DOCSIS 2.0; and up to 4 channels carry data to the Internet. A Full-Band Capture digital tuner helps assure consistently fast speeds from your service provider. MB7420 does not include a Wi-Fi Router or VoIP telephone adapter. It includes a 10/100/1000 Gigabit Ethernet (GigE) port for a high-speed connection of a router, computer, HDTV, game station, or other Ethernet-capable device. Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are ready and willing to help if you need them. Model MB7420's compact, attractive design saves space and looks good in any home or office. This product is backed by a two-year warranty and features ruggedized lightning and power surge circuits to provide additional protection of your investment. DOCSIS 3.0, 2.0, and 1.1 support and Cable Labs certification ensure compatibility with services nationwide. Best of all, the MB7420 offers the value, performance, and attention to quality that continue to make Motorola the leading brand of cable modems. Please note that the MB7420 plugs easily into computers, HDTVs, and other Ethernet-capable devices including any router of your choice, but the MB7420 does not have a built-in Wi-Fi router. Motorola Model MG7310, for instance, has both a cable modem and a built-in router.