What This Product Does TP-LINK's TL-WA850RE is designed to conveniently extend the coverage and improve the signal strength of an existing wireless network to eliminate dead zones. With 300Mbps wireless N speeds, Range Extender button, miniature size and wall mounting design, extending a wireless network has never been easier. What's more, its Ethernet port allows the TL-WA850RE to act as a wireless adapter to turn a wired device into a wireless one. 300Mbps Range Extender The TL-WA850RE is designed to conveniently extend the coverage and improve the signal strength of an existing wireless network to eliminate dead zones, help users maintain an existing wireless network and vastly improve the networks coverage. With 300Mbps wireless 802.11n speeds, it is ideal for smooth video, music streaming and online gaming.