MOTOROLA 16x4 Cable Modem, Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More This 16x4 DOCSIS 3.0 cable modem provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. A Full-Band Capture digital tuner ensures a faster, more reliable Internet. Cable modem's Ethernet port connects to a computer, HDTV, game station, or wireless router. (This Model MB7420 cable modem does NOT have a built-in wireless router and does NOT have a telephone adapter or phone jack. The Motorola MG7310, MG7315, MG7540 and MG7550 have a built-in wireless router.) Requires cable Internet service. Certified by Comcast XFINITY for residential speeds up to Extreme 300, by Comcast Business for speeds up to Deluxe 250, Time Warner Cable, Cox, Charter Spectrum, BrightHouse, and other leading cable service providers for modem ownership programs that typically save rental charges of $120 or more per year Setup is fast and easy with a few quick steps set out in a Quick Start guide. Experienced USA-based customer support specialists are there to help if you need them. Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A two-year warranty plus rugged lightning and power surge circuits protect your investment. Fast, easy setup using Quick Start 5 status-reporting LEDs Ruggedized lightning and power surge circuits protect your investment Compact, space-saving unit minimizes shelf space and improves cooling for reliable performance 16x4 DOCSIS 3.0 cable modem 16 downstream channels for speeds up to 686 Mbps* 4 upstream channels for speeds up to 123 Mbps* * Actual downstream and upstream speeds depend on a number of factors including the speed of your cable service Downloads 16 times faster than DOCSIS 2.0 Full-Band Capture digital tuner for even higher speeds and a faster, more reliable Internet Supports IPv4 and IPv6 for powerful, flexible network addressing Works with DOCSIS 3.0, 2.0, and 1.1 services Modems 10/100/1000 Gigabit Ethernet (GigE) LAN port allows  connection of a router, HDTV, game station, or other Ethernet-capable  device