Owning your modem saves you the rental fees charged by many Internet service providers. In fact, purchasing your own cable modem typically costs less than a year's worth of monthly rental fees. Device Type: Cable modem - Gigabit Ethernet Form Factor: External Max Transfer Rate: 343 Mbps Protocols & Specifications: DOCSIS 2.0, DOCSIS 1.1, DOCSIS 1.0, DOCSIS 3.0 Line Coding Format: 8 QAM, 32 QAM, 128 QAM, 64 QAM, 256 QAM, QPSK, 16 QAM System Requirements: UNIX, Linux, Microsoft Windows 7, Microsoft Windows XP SP2 or later, Apple MacOS X 10.4 or later, Microsoft Windows Vista SP1 or later, Windows 8 Dimensions (WxDxH): 5.6 in x 4.5 in x 2.3 in 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 1.0, DOCSIS 3.0 Line Coding Format: 8 QAM, 32 QAM, 128 QAM, 64 QAM, 256 QAM, QPSK, 16 QAM Network / Transport Protocol: TCP/IP, UDP/IP, ICMP/IP, ARP, DHCP Remote Management Protocol: SNMP 1, SNMP 3, SNMP 2c, TFTP Features: IPv6 support, reset button, IPv4 support, DHCP client Interfaces: 1 x Cable - F connector 1 x 1000Base-T - RJ-45 Cables Included: 1 x network cable Included Accessories: Power adapter Compliant Standards: UL, FCC, RoHS OS Required: UNIX, Linux, Microsoft Windows 7, Microsoft Windows XP SP2 or later, Apple MacOS X 10.4 or later, Microsoft Windows Vista SP1 or later, Windows 8 Width: 5.6 in Depth: 4.5 in Height: 2.3 in Min Operating Temperature: 32 °F Max Operating Temperature: 104 °F Humidity Range Operating: 10 - 90% (non-condensing)