Cable Modem only. External Router needed This is a cable modem. Separate WiFi router required for WiFi connectivity. Recommended to pair with a NETGEAR WiFi router. Compatibility Compatible with XFINITY from Comcast, Cox, and Spectrum. Call your Internet service provider for additional compatibility information. Optimize your Internet With an outdated modem, you may not be getting the Internet speeds you paid for. Update your equipment to get better upload and download speeds, and a better Internet experience at home. Works with any WiFi Router Connect any WiFi router to this modem's Ethernet port to support all your wireless devices. Save on monthly rental fees Is your cable service provider charging you every month to lease their equipment? Save money by buying and owning your cable modem or cable modem router. Replace your rented equipment can save you up to $168/yr in rental fees. Best for cable provider plans up to 500Mbps speed 24x8 Channel Bonding and DOCSIS 3.0 technology delivers fast Internet to your home - even during peak Internet usage hours! DOCSIS 3.0 technology Up to 16x faster download speeds than the DOCSIS 2.0 standard. Ethernet Port 1 Gigabit Ethernet port connects to your computer or separate WiFi router.