The Linksys RT41P2 AT router is a small business router that provides secure Internet access for up to four computers. It features an integrated 4-port switch and a built-in analog telephone adapter (ATA) that enables voice over IP (VoIP) calls. The router also includes advanced security features, including a stateful packet inspection (SPI) firewall and support for virtual private network (VPN) passthrough. It supports multiple network protocols and can be easily configured through a web-based interface.

The RT41P2 AT is a router manufactured by the company Linksys 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 blank 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.