Multi-gigabit speeds for your home network. The SURFboard G36 is a DOCSIS 3.1 Cable Modem & Wi-Fi 6 Router combo. Stream 4K content smoothly, game without interruptions or slowdowns. It features a 2.5 Gbps Ethernt port for multi-gig networking PLUS four 1-Gigabit Ethernet ports to connect all your devices. The SURFboard G36 is compatible with major U.S. cable internet service providers and is best for speed plans up to 2.5 Gbps. The compatible SURFboard Central app simplifies setup and management of your network. ISP Compatibility: The G36 is compatible with major U.S. Cable Internet Providers including Cox, Spectrum, Xfinity and many others. DOCSIS 3.1 technology: Modem is powered by 32x8 SC-QAM DOCSIS 3.0 channels as well as 2x2 OFDM and OFDMA DOCSIS 3.1 channels. Quick to Set Up: Fast and secure set up with the new SURFboard Central mobile app. AX3000 speed and capacity: Can easily support the growing number of devices on your network through a single internet connection. 2.5Gbps Ethernet port plus four 1 Gbps Ethernet ports: Features a 2.5 Gbps Ethernt Port PLUS four 1-Gigabit Ethernet ports, to support multi-gigabit networking. Internet security: Protect your information with AES, WPA and WPA2. Includes: •ARRIS SURFboard G36 DOCSIS 3.1 Cable Modem •AC Power Adapter Nothing wrong with it, just got a different modem!