· Modem Technology: DOCSIS 3.0 is a reliable, broadly available, and affordable technology that delivers high speed internet to your home devices.· Simple and Secure Set-up: Plug-in the device, download the SURFboard Central App, and follow the instructions to activate the modem. Connect to a Wi-Fi router for networking.· Compatibility: The SURFboard SB6190 is compatible with major U.S. cable internet providers including Cox, Spectrum, Xfinity and others. It's approved for cable internet speed plans up to 800 Mbps. Check your Internet Service Provider (ISP) website to confirm compatibility.· cable modem 3.0 compatible internet computer networking modems approved docsis docis3.0 1 gig best for high speed with fiber optic gaming gigabit wifi 6 voice 800 mbps speeds sb 6190 32 x 8 1gbps port· DOCSIS 3.0 Modem Only