Excellent condition Arris G36 cable modem, works with Xfinity. Only used 1 month. $50 cash meet in Utah county. ARRIS SURFboard G36 DOCSIS 3.1 Cable Modem - 1001370 | Abt The ARRIS SURFboard G36 is a high-performance 2-in-1 cable modem and Wi-Fi 6 router, featuring DOCSIS 3.1 technology, AX3000 Wi-Fi speeds, and a 2.5 Gbps Ethernet port. It supports multi-gigabit internet plans up to 1.2 Gbps and includes four 1 Gbps LAN ports, making it ideal for high-speed streaming and gaming on major U.S. cable providers