The Linksys EA9400 is a high-performance router designed for large households and heavy internet usage. It features Tri-Band technology that delivers speeds up to 2.2 Gbps and provides seamless connectivity to multiple devices. The router also has eight Gigabit Ethernet ports for wired connections and USB 3.0 and USB 2.0 ports for easy file sharing across the network. The EA9400 also has advanced security features including parental controls and guest access.

The EA9400 is a router manufactured by the company Linksys 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 192.168.1.1, 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 admin and admin. 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.