The D-Link DIR-820L is a high-performance wireless router that offers dual-band connectivity, delivering speeds of up to 300 Mbps on the 2.4 GHz band and 867 Mbps on the 5 GHz band. It features four Gigabit Ethernet ports for fast wired connections, as well as advanced security features such as WPA/WPA2 encryption and a built-in firewall. The router also includes a USB port for connecting external storage devices or printers. It is easy to set up and manage through a web-based interface or the free mydlink app.

The DIR-820L 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.