with MoCA Networking for Comcast, Time Warner, Cox, Charter, Suddenlink, Mediacom (SBG6782-AC) Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Call provider if not listed here. Requires Cable Internet Service and approved for plans up to 343 Mbps Not compatible with: Verizon, AT&T, or Centurylink Two-in-one DOCSIS 3.0 Cable Modem + AC1750 WiFi Router 4-port Gigabit Ethernet Router enables flexible, high-speed wired connectivity The product is absolutely compatible with Comcast Xfinity business. It does not support Telephone from Cable operators is all, that is done separately. Please Note : Kindly refer the User Manual before use.