The TP-LINK TL-WPA4220KIT 300Mbps AV600 WiFi Powerline Extender Starter Kit D3 is a white unit that includes two powerline adapters. It has a maximum LAN data rate of 600 Mbps and a maximum powerline data rate of 300 Mbps. Designed to fit a PC, this extender provides wireless connectivity using Wi-Fi 802.11a, 802.11b, 802.11g, and 802.11n standards. With two Ethernet (RJ-45) ports and a single Ethernet port, this TP-LINK extender offers versatile connectivity options for home networking and connectivity needs. Made in China by TP-LINK, this unit is a reliable and efficient solution for expanding your home network.