The D-Link DIR-451 is a wireless router that allows users to share a single mobile broadband connection with multiple devices. It features Wireless N technology for fast wireless speeds and has four Ethernet ports for wired connections. The router also includes a USB port for sharing files or connecting a printer, and supports VPN pass-through for secure remote access. The DIR-451 is compact and portable, making it an ideal choice for on-the-go connectivity.

The DIR-451 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.