The Linksys WAG120N is a wireless ADSL2+ modem router that features four Ethernet ports and supports wireless speeds of up to 150 Mbps. It includes a built-in firewall to protect your network from online threats and allows you to create a secure wireless network with WPA/WPA2 encryption. The device also includes a Quality of Service (QoS) feature to prioritize bandwidth for applications such as gaming and streaming. The WAG120N offers easy setup and management through a web-based interface.

The WAG120N 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 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.