The D-Link Amplifi DIR-645 is a high-performance wireless router designed for home or small office use. It offers speeds of up to 300Mbps on the 2.4GHz band and up to 450Mbps on the 5GHz band, with six internal antennas for improved range and coverage. The router also features four Gigabit Ethernet ports for wired connections, as well as USB 2.0 and SD card slots for sharing files and media across the network. It is easy to set up and manage using D-Link's web-based interface.

The Amplifi DIR-645 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.