The Refurbished NETGEAR CM700-100NAS Cable Modem is a high-speed internet modem designed for home networking and connectivity. With a maximum downstream data rate of 1.4 Gbps, this modem is suitable for Comcast carriers and provides reliable internet access. The modem features a sleek black design with Ethernet (RJ-45) and USB 3.0 ports for easy connection options. The compact dimensions of 6.6" in length, 1.7" in height, and 5.2" in width make it a convenient and efficient choice for home internet needs.