The Westell A90-220015-04 router is a residential gateway that provides users with high-speed internet access. It has four Ethernet ports, a WAN port, and supports ADSL2+ and VDSL2 technologies. The router also features a built-in firewall for added security and supports Quality of Service (QoS) for optimizing network traffic. It has a sleek and compact design, making it easy to install and use.

The A90-220015-04 is a router manufactured by the company Westell 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 and . 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.