The TP-LINK AV500 300Mbps Powerline Wi-Fi Range Extender TL-WPA4220KIT is a white extender with a maximum LAN data rate of 300 Mbps and a maximum powerline data rate of 500 Mbps. It features Ethernet (RJ-45) ports and is designed to extend the range of your home network using powerline networking technology. Compatible with TP-LINK products, this extender allows you to easily expand your network coverage and improve connectivity in areas with thick walls or distant from your router.