NETGEAR Cable Modem DOCSIS 3.1 (CM1000) Gigabit Modem, Compatible with All Major Cable Providers Including Xfinity, Spectrum, Cox, For Cable Plans Up to 1 Gbps,BlackBrand NETGEARInternet service provider spectrum, optimum, cox, xfinityConnectivity Technology EthernetCompatible Devices RouterProduct Dimensions 5.9"L x 5.4"W x 8.8"HAbout this itemCompatible with all major cable internet providers with internet speed up to 1Gbps. Currently certified with Spectrum and Cox (up to 1Gbps), Xfinity (up to 800Mbps). Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice serviceModel CM1000 replaces your cable modem saving you up to 168/year in equipment rental feesConnect any WiFi router to this modem's Ethernet port to support all your wireless devices1 Gigabit Ethernet port connects to your computer or separate WiFi routerincludes all cables