Certified For Xfinity From Comcast, Spectrum, Cox, And More Is The Netgear N600 The NETGEAR N600 WiFi DOCSIS 3.0 Cable Modem Router with N600 simultaneous dual band WiFi router and integrated DOCSIS 3.0 cable modem, provides 8x faster download speeds, up to 340 Mbps. It?s CableLabs DOCSIS 3.0 Certified to work with U.S. cable Internet providers like XFINITY from Comcast, Spectrum, Cox more. ELIMINATE MONTHLY CABLE MODEM RENTAL FEES Up to $120 per year Two in One DOCSIS 3.0 Cable Modem + WiFi Router with 2 Gigabit Ethernet ports and 1 USB 2.0 port.System Requirements Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, or other operating systems running a TCP/IP network. Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher Up to 340Mbps modem speed and Dual Band N450 (2.4GHz 5GHz) WiFi speed. 8x4 channel bonding, Denial of Service (DoS) attack prevention DOCSIS 3.0 unleashes 8x faster download speeds than DOCSIS 2.0 Ideal for streaming HD videos, faster downloads, and high speed online gaming Required for the fastest cable Internet speed tiers.Use with an N300 adapter like NETGEAR WNA3100 for maximum performance Compatibe with Xfinity from Comcast, Spectrum, Cox, more. Not compatible with bundled voice services..Wifi technology:802.11n Dual Band Gigabit