3 products in 1: DOCSIS 3. 1 cable Modem, AC2350 Dual band Wi-Fi, 4 port Gigabit Router. (Does not support cable provided voice services. ) Comcast Xfinity and Cox cable Approved for gigabit plans! Spectrum (Charter, time Warner and bright house) and others pending approval. Not compatible with: Verizon, AT&T, or CenturyLink Docsis 3. 1 cable Modem, 32 downstream x 8 upstream DOCSIS channels, 2 downstream x 2 upstream OFDM channels.