The TL-WPA4221 KIT from TP-Link is a Wi-Fi PLC adapter designed to optimize connectivity at home or in the office by using the electrical network as a data transmission medium. This device includes Ethernet LAN connections that allow wired devices to connect with high stability, as well as a Type-C port for a more versatile and modern connection. It stands out for its integrated Wi-Fi connectivity, which efficiently extends wireless coverage and reduces dead zones, ideal for users needing Internet access in areas where conventional Wi-Fi signals are weak. The device combines adapter and router-type functions, providing an access point and intuitive management of the home or work network. Its design includes white and black color variants, adapting to different environments and aesthetic preferences. Thanks to PLC technology, this kit offers a practical solution to extend the network without additional wiring, leveraging existing electrical infrastructure. Overall, the TP-Link TL-WPA4221 KIT is an efficient and flexible option to improve connectivity in environments with increasing communication and data transmission demands.