The D-Link DI-604 is a wired router that allows multiple devices to connect to the internet through a single broadband connection. It has four Ethernet ports for connecting computers, gaming consoles, and other devices. The router supports various network protocols and provides basic security features such as NAT, SPI firewall, and DMZ. The device is compact and easy to set up, making it ideal for home or small office use.

The DI-604 is a router manufactured by the company D-Link 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 192.168.0.1, 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 blank. 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.