The TP-Link AC1200 Mesh Wi-Fi Range Extender is designed to expand your existing Wi-Fi coverage. This dual band extender supports both 2.4GHz and 5GHz frequencies, adhering to Wi-Fi 5 802.11ac standards, as well as older standards like 802.11a, 802.11b, 802.11g, and Wi-Fi 4 802.11n. It features one 100M Ethernet Port RJ45 for wired connectivity, supporting 10BaseT and 100BaseTX. The extender provides data transfer rates of up to 867 Mbps for Wi-Fi. Its compact design has dimensions of 89 by 35 by 124.1 mm.