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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.