Ultimate WiFi speed - AC1200 (300Mbps up to 2.4GHz and 867Mbps up to 5GHz). Wireless USB stick to upgrade your home network to the new 802.11ac Gigabit Wi-Fi standard. Dual-band WiFi - 2.4GHz and 5GHz band for flexible connectivity, improved cooperation with dual-band WiFi router for faster speed and longer range. Stronger Signal Reception - With 2*3dBi rotating antenna, the wireless adapter provides a larger and wider signal range than other fixed antenna models. USB 3.0 supports transfer rates up to 5Gbps. Operating System - Mini WiFi Adapter for PC Desktop Notebook Computer Compatible with Windows 10/8.1/8/7/XP Mac OS X/Mac OS 10.9-10.15 Advanced Security - Mini design, ideal for traveling. Supports 64/128-bit WEP, WPA/WPA2 and WPA-PSK encryption standards.