The D-Link DIR-412 is a wireless router designed for small businesses or home offices. It supports 802.11g and 802.11n wireless standards, with a maximum data transfer rate of 54 Mbps. It also has four Ethernet ports for wired connections. The router features a built-in firewall and supports VPN pass-through for secure remote access. The DIR-412 can be easily set up using the web-based configuration utility and is compatible with most operating systems.

The DIR-412 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.