The Billion BiPAC 640SE is a compact ADSL2+ modem/router that provides high-speed Internet access to multiple devices. It supports up to 24Mbps downstream and 1Mbps upstream data rates, as well as various network protocols and security features. The router has four Ethernet ports for wired connections, and supports PPPoE and PPPoA for easy setup. Its small form factor and plug-and-play design make it an ideal choice for home and small office use.

The Bipac 640SE is a router manufactured by the company Billion 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 192.168.1.254, 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 blank. 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.