The Sagemcom Fast 3864V3AC router is a high-speed, dual-band router that offers fast and reliable internet connectivity for your home or office. It supports both 2.4GHz and 5GHz frequencies, allowing for multiple devices to connect simultaneously without interference. With four Gigabit Ethernet ports, it provides fast wired connections for devices like computers, gaming consoles, and smart TVs. The router also features advanced security features to keep your network safe from online threats.

The Fast 3864V3AC 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 , 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 and . 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.