Model MB7420, 686 Mbps DOCSIS 3.0, Certified by Comcast XFINITY, Charter Spectrum, Time Warner Cable, Cox, BrightHouse, and More   Provides speeds up to 686 Mbps, sixteen times faster than DOCSIS 2.0. 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). Requires cable Internet service. Save on modem rental charges! Setup is fast and easy with a few quick steps set out in a Quick Start guide. Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office.   Modem has been reset to factory settings, includes original box, instruction manual and power cord.