Maximize Internet speeds to your Wi-Fi router with the Linksys 8x4 Cable Modem (CM3008). It delivers stable high-speed connectivity for existing Internet service plans up to 100 Mbps. Your household will enjoy awesome Wi-Fi in no time with its easy setup. Device Type: Cable modem - Gigabit Ethernet Form Factor: External Max Transfer Rate: 343 Mbps Protocols & Specifications: DOCSIS 2.0, DOCSIS 1.1, DOCSIS 3.0 Line Coding Format: 8 QAM, 32 QAM, 64 QAM, 256 QAM, QPSK, 16 QAM Power: DC 12 V Dimensions (WxDxH): 4.3 in x 2.8 in x 1 in Weight: 3.53 oz Manufacturer Warranty: 1 year warranty Device Type: Cable modem Form Factor: External Bus: Gigabit Ethernet Connectivity Technology: Wired Max Transfer Rate: 343 Mbps Protocols & Specifications: DOCSIS 2.0, DOCSIS 1.1, DOCSIS 3.0 Multiplexed Channels Qty: 8 Line Coding Format: 8 QAM, 32 QAM, 64 QAM, 256 QAM, QPSK, 16 QAM Remote Management Protocol: SNMP 1, SNMP 3, SNMP 2c Features: DHCP support, auto-uplink (auto MDI/MDI-X), IPv6 support, Trivial File Transfer Protocol (TFTP) support, IPv4 support Compliant Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab Interfaces: 1 x Cable - F connector 1 x 1000Base-T - RJ-45 Cables Included: 1 x coaxial RF cable 1 x network cable Included Accessories: Power adapter Compliant Standards: UL, FCC, RoHS Voltage Required: DC 12 V Service & Support: Limited warranty - 1 year Technical support - 90 days Width: 4.3 in Depth: 2.8 in Height: 1 in Weight: 3.53 oz Min Operating Temperature: 32 °F Max Operating Temperature: 104 °F Humidity Range Operating: 10 - 90% (non-condensing)