NETGEAR Cable Modem CM400 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 100 Mbps | DOCSIS 3.0, Black, 8x4 Cable Modem (CM400) Description The NETGEAR CM400 High Speed Cable Modem provides a connection to high-speed cable Internet, up to 340 Mbps. It is Cable Labs certified and with DOCSIS 3.0 is 8X faster than 2.0. It is compatible with U.S. cable Internet providers like Cablevision, Cox, Time Warner Cable, XFINITY & more. Features: COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service. SAVE MONTHLY RENTAL FEES: Model CM400 replaces your cable modem saving you up to $168/yr in equipment rental fees. BUILT FOR SPEED: Best for cable provider plans up to 100 Mbps speed. WORKS WITH ANY WiFi ROUTER: Connect any WiFi router to this modem's ethernet port to support all your wireless devices. ETHERNET CONNECTIONS: 1 Gigabit Ethernet port connects to your computer or separate WiFi router. MODEM TECHNOLOGY: Engineered with 8x4 channel bonding and DOCSIS 3.0. Product Details: Brand: NETGEAR Model Name: CM400 Special Feature: WPS Frequency Band Class: Dual-Band Wireless Communication Standard: Radio Frequency Compatible Devices: Personal Computer Frequency: 5 GHz Recommended Uses For Product: Home Connectivity Technology: LAN, WLAN Color: Black Wireless Type: ‎Radio Frequency Brand: ‎NETGEAR Series: ‎CM400 Item model number: ‎CM400-1AZNAS Item Weight: ‎1 pounds Product Dimensions: ‎5.8 x 3.8 x 1.8 inches Item Dimensions LxWxH: ‎5.8 x 3.8 x 1.8 inches Color: ‎Black Voltage: ‎100240 Volts Manufacturer: ‎Netgear Inc Is Discontinued By Manufacturer: ‎No Date First Available: ‎July 1, 2015