【Dual-Band 650Mbps Speed】COMFAST CF-811ACV3 offers high-speed 650Mbps transmission rate for smoother video streaming across both 2.4GHz and 5.8GHz frequencies. 【Plug and Play】No driver download required. Simply plug in for automatic installation and easy setup, making it more stable and powerful than built-in wireless adapters. 【Versatile Connectivity】Functions as a WiFi receiver for laptops and desktops, or as an AP to broadcast WiFi for other devices when no WiFi is available. 【Compact Design】Mini hidden design integrates seamlessly with laptops and desktops without occupying extra space. 【Enhanced Security】Features WPA3 encryption for significantly improved network security. 【Wide Compatibility】Supports multiple systems including Windows XP/7/8/8.1/10/11, with driver-free use on Win 7/10/11. Specifications: Model: CF-811ACV3 Wireless Speed: 650Mbps Frequency Bands: 2.4GHz & 5.8GHz USB Version: USB 2.0 Transmission Rates: 11b (1/2/5.5/11Mbps), 11g (6/9/12/18/24/36/48/54Mbps), 11n (200Mbps), 11ac (433Mbps) Security Features: WPA-WEP, WPA-PSK, WPA2-PSK, WPA3 Wireless Standards: IEEE802.11a/b/g/n/ac OS Compatibility: Windows XP/7/8/8.1/10/11 (32-bit, 64-bit) (Win7/10/11 can be used without driver)