wifi The Cisco-Linksys PLK300 PowerLine AV Ethernet Adapter Kit is a set of black adapters designed by Cisco for high-speed wired Ethernet connectivity. With a maximum LAN data rate of 100 Mbps and four LAN ports, this adapter kit allows for reliable and efficient network connections in any home or office setting. The adapters use PowerLine technology to transmit data signals through electrical outlets, eliminating the need for lengthy cable runs. Ideal for expanding network accessibility in areas with limited Wi-Fi options.