Adjustable high gain antennas, 4dBi (2.4GHz) and 6dBi (5GHz), provide high performance for establishing long-distance strong connections in wireless networks.Including USB bracket for better positioning: The EW-7811UAC comes with a 1.2-meter bracket, allowing you to position the adapter in the ideal position while adjusting the antenna angle for optimal performance.Dual band connection: can choose between widely compatible 2.4GHz for daily computing or high-performance 5GHz for high-definition video streaming and online gaming. Supports highly secure Wi Fi protocols with WPA3, WPA2, WPA, and 64/128 bit WEP encryption methods. Easy wireless connection through physical WPS (Wi Fi protection settings).One click Wi Fi connection to the router for fast and secure connectivity. Plug and bracket with Windows 10/11. Supports Windows XP/Vista/7/8/8.1/10, MAC OS 10.9-10.15, and Linux 2.6.18-5.11 (Fedora and Ubuntu).If you encounter any problems during use, please feel free to contact us at any time