The TP-Link TL-WR641G v4 is a wireless router that supports IEEE 802.11g and IEEE 802.11b wireless standards. It has a data transfer rate of up to 108 Mbps and features four 10/100Mbps LAN ports and one 10/100Mbps WAN port. The router also comes equipped with a built-in firewall and supports VPN pass-through. It can be set up easily through a web-based user interface, and supports various encryption standards including WEP, WPA, and WPA2.

The TL-WR641G v4 is a router manufactured by the company TP-Link 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 , 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.