The Asus RT-N66W is a dual-band wireless N900 router that supports speeds of up to 450Mbps on both 2.4GHz and 5GHz frequencies. It features three external antennas for increased coverage and signal strength, along with four Gigabit Ethernet ports for wired connections. The router also supports multiple SSIDs and guest networks, as well as VPN and FTP server capabilities. It has an easy-to-use web interface and can be managed remotely using the Asus Router app.

The RT-N66W is a router manufactured by the company Asus 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 192.168.1.1, 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 admin. 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.