600Mbps 11AC Wireless Dual Band USB Adapter Model BL-WDN600 supports IEEE 802.11ac for smooth HD video streaming, fast file transfers, and lag-free video chatting up to 3 times faster than 802.11n. It has one 5dBi external detachable antenna. With a maximum speed of 150Mbps (2.4GHz) or 433Mbps (5GHz), it delivers fast wireless speeds and less interference for maximum throughput. It is compatible with existing WIFI routers and range extenders that support IEEE 802.11b/g/n. It is easy to install and use.