The Xavi X7721r is a wireless router that operates on the 802.11n standard and offers speeds of up to 300Mbps. It features four Ethernet ports for wired connections and supports WPA/WPA2 encryption for secure wireless communication. The router also includes a built-in firewall and Quality of Service (QoS) capabilities to prioritize network traffic. It is designed for home and small office use and offers easy installation and configuration through a web-based interface.

The X7721r+ is a router manufactured by the company Xavi 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.