WiFi Adapter AC600 USB Wireless Adapter 2.4GHz/5GHz Dual Band Network LAN Card with External Antenna for Windows 10/8.1/7/XP/Vista/Mac OS10.6-10.13 Ultra-fast AC600 wireless adapter speed with 802.11ac - 3 times faster than wireless N speeds. Best device for gaming online and seamless HD video streaming Up to 600Mbps high speed on 5.8GHz (433Mbps) and 2.4GHz (150Mbps) bands. Dual band reduce interference for better connection.With Roaming technology, promise high effective wireless connection This dual band wifi dongle support any wifi routers: By using AC600 wireless adapter, you can upgrade your PC,laptop or Mac to work with the latest AC WiFi router for faster speed and extended range External High Gain Long-Range 2dBi omni-directional Antenna can help you connect even when signals are weak, increase coverage and stability Very easy to install and we offer LIFE-TIME WARRANTY and 24h technical support, if you have any problem when using, just contact us