Compatible with Xfinity Internet & Voice service - Certified by Xfinity and works flawlessly with Xfinity Triple Play. NOT compatible with non-Xfinity voice services. Multi-gigabit Internet speed - Delivers ultra-fast speeds up to 2.5 Gbps with next-generation DOCSIS 3.1 technology. Features one 2.5 Gigabit Ethernet port and three 1 Gig Ethernet ports. Superior, but pays for itself - Savings up to $168 per year on modem rental fees. Ultra Fast AX6000 WiFi Performance (WiFi 6) provides incredible speeds. Plus clear, uninterrupted calls - 2 phone lines for use with Xfinity service. Delivers enhanced call features including caller ID, call forwarding, and conference calling. Smart mobile app - Setup in minutes using the motosync app. Manage, optimize, and secure your connected home from anywhere.