This 8x4 DOCSIS 3.0 cable modem provides speeds up to 343 Mbps with actual service speeds up to 150 Mbps. 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 cable modem does NOT have a built-in wireless router, does NOT have a phone port or telephone adapter. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router. The Motorola MT7711 has two phone ports and a built-in wireless router. Requires cable Internet service. Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, WOW!, CableOne, RCN, and other cable service providers. ELIMINATE CABLE MODEM RENTAL FEES UP TO 156 DOLLARS PER YEAR. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7220 has no phone jack.) Setup is fast and easy using the Quick Start guide. Experienced USA-based Motorola customer support specialists are happy to help if you need them. Support is in English or Spanish. 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. Includes phone and web support by friendly, professional USA-based technical support specialists. Phone support is provided in English and Spanish.