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 C6250 replaces your cable modem and WiFi router saving you up to $168/yr in equipment rental fees. SPEEDS BY CARRIER: Spectrum (up to 300Mbps), Xfinity (up to 300Mbps), Cox (up to 250Mbps). FAST WiFi PERFORMANCE: Get up to 1500 sq ft wireless coverage and 25 devices connected with AC1600 speed (up to 1600 Mbps). VERSATILE CONNECTIONS: 2 Gigabit Ethernet ports and 1 USB port give you fast wired connections to your computer, printer, game box, storage drive, and other devices. MODEM TECHNOLOGY: Engineered with 16x4 channel bonding and DOCSIS 3.0. SAFE & SECURE: Includes parental controls, and supports WEP and WPA/WPA2 wireless security protocols.