Arris TG852G Telephony Docsis 3.0 Gateway Modem DOCSIS 3.0 residential gateway with 802.11n, 4 Port Router, and 2 voice lines 8x4 Channel Bonding DOCSIS 3.0 Certified, capable of up to 343 Mbps download speeds based on Cable provider service Energy management and conservation for cost savings Enhanced WebGUI interface with technician level access Requires Cable Internet Service. Compatible with major U.S. Cable Providers. Contact your ISP to confirm compatibility.