The Sagemcom Fast 5689E is a router that provides high-speed internet connectivity for home and small office environments. It features advanced wireless technology with dual-band connectivity, providing speeds of up to 1.75 Gbps. The router supports 802.11ac Wave 2 technology with MU-MIMO, allowing multiple devices to connect to the router simultaneously without any loss in speed. The Sagemcom Fast 5689E also includes four Gigabit Ethernet ports for wired connectivity and a USB 3.0 port for sharing files and media across the network.

The Fast 5689E is a router manufactured by the company Sagemcom that allows multiple devices to connect to a network and communicate with each other. It works by receiving data packets from devices and forwarding them to their intended destination. The router is assigned a unique IP address 192.168.2.1, which serves as its identifier on the network.

To access the router's settings and configure its functions, users can log in using a web browser and their blank and serial number printed on router. Once logged in, users can customize various settings such as network name, password, and security protocols. They can also set up parental controls, prioritize bandwidth usage, and monitor network activity.