Buffalo WiFi Wireless LAN Handset Adapter External Antenna USB Gen1 WPA3 866Mbps/433Mbps 11ac/n/a/g/b 3.2 WI-U3-866DHP/N

[High-speed communication with Wi-Fi 5] This is an external antenna Wi-Fi adapter that supports communication of 5GHz: 866Mbps / 2.4GHz: 433Mbps. *Theoretical value [Easy to go wireless] Convenient for making your computer wireless or as an emergency measure in case your computer's built-in Wi-Fi breaks down. [Improved external antenna flight] The external antenna supports 3-axis rotation, allowing you to adjust the angle and improve communication speed. [Reliable Security] Compatible with the new Wi-Fi security standard "WPA3 Personal". *Wi-Fi router side also needs support. [Supported OS] Windows 11/10 [Accessories] Driver installation CD, instruction manual (warranty)