The Tornado 840 router is a high-speed router designed for fast internet connectivity. It features a 1GHz dual-core processor, 4 gigabit Ethernet ports, and 2 USB ports for external storage and printer sharing. The router also supports dual-band Wi-Fi with speeds of up to 1750Mbps, making it ideal for streaming HD video, gaming, and other bandwidth-intensive applications. It also includes advanced security features such as WPA/WPA2 encryption and a built-in firewall to protect your network from unauthorized access.

The 840 is a router manufactured by the company Tornado 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 192.168.123.254, 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.