Compatible with Comcast Xfinity, Time Warner Cable, Charter, Cox, Cablevision, and more. Requires Cable Internet Service Not compatible with: Verizon, AT&T, or CenturyLink Cable Modem only (no WiFi router) Features Intel Puma 5 chipset to achieve high-speed downstream and upstream performance 8 download and 4 upload bonded DOCSIS channels give you the most out of your existing cable broadband connection Invest in better Inter with CM3008 Cable Modem. For existing Internet plans up to 100 Mbps, it is certified by all major cable providers so you eliminate monthly modem rental fees. Delivering stable, high-speed connectivity for streaming and surfing, it is equipped with 8 download and 4 upload channels. It features an Intel Puma 5 chipset to achieve high-speed downstream and upstream performance. Certified for DOCSIS 3.0, the CM3008 features easy plug and play setup.