TP-LINK TL-WA850RE 300mbps Wireless N Wall Plugged, Interface 1 * 10/100M Ethernet Port (RJ45), Wireless IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, Frequency 2.4~2.4835GHz, Antenna 2 * internal, Range Extender. The TP-Link TL-WA850RE is a Universal Wi-Fi Range Extender that connects to your router wirelessly, strengthening and expanding its signal into areas it can’t on its own.