ARRIS TG862G-CT Wireless Gateway Gateway 802.11b/g/n GigaPort x 4 Port Router w/ 2-Voice Lines XFINITY / COMCAST 802.11n Wi-Fi router on 2.4GHz (backwards compatible with 802.11b/g) and 4-port gigabit ethernet router. Download Speeds up to 320 Mbps and upload speeds up to 120 Mbps based on your service with Comcast. Supports IPv4 & IPv6. Please Check with your Service Provider for Compatibility Includes backup battery! 4 Port Router, and 2 voice lines 8x4 Channel Bonding. DOCSIS 3.0 Cable Modem specifically for Xfinity Comcast internet service.