Tp-link's tl-wa854re is designed to conveniently extend the coverage and improve the signal strength of an existing wireless network to eliminate "dead zone". with 300mbps wireless n speeds, and wall mounting design, extending a wireless network has never been easier. connects to your router wirelessly, strengthening and expanding its signal into areas it can’t on its own. the device also reduces signal interference to ensure reliable wi-fi coverage throughout your home or office.