The D-Link DWL-G820 is a wireless router that supports 802.11g and 802.11b wireless standards. It features a built-in 4-port Ethernet switch for connecting multiple wired devices to your network. The router also includes a WPA/WPA2 encryption for secure wireless communication, and a range booster technology that extends the range of your wireless network. The DWL-G820 is compatible with most operating systems, including Windows, Mac, and Linux.

The DWL-G820 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 , 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.