The CenturyLink Fiber Wireless Router Modem Combo - C4000XG is a high-speed modem that combines a router and modem in one device. With a maximum downstream data rate of 960 Mbps and a maximum LAN data rate of 1000 Mbps, this modem is designed for fast and reliable internet connectivity. It features multiple ports including 4 LAN, 1 WAN, a barrel jack, SFP+, and USB-A, providing flexible connectivity options for various devices. The dual-band technology ensures a stable and secure connection, making it a versatile option for home networking needs.