Fast, Secure Dual-Band WiFi for Any USB-Enabled Device The YEPLOOK AC1200 USB WiFi Adapter brings dual-band 802.11ac wireless connectivity to any desktop or laptop with a USB port. Powered by the Realtek RTL8812AU chipset and 2T2R MIMO technology, it delivers combined speeds of up to 1200Mbps — 300Mbps on 2.4GHz for everyday browsing and 867Mbps on 5GHz for bandwidth-intensive tasks like 4K streaming and online gaming. The included external antenna improves reception range and signal stability, making this adapter a reliable upgrade over weak or missing onboard WiFi. Setup is straightforward with driver support across Windows, Mac, and Linux. Key Specs: Chipset: Realtek RTL8812AU WiFi Standard: 802.11 ac/a/b/g/n Frequency: 2.4GHz / 5GHz Dual Band Speed: Up to 1200Mbps (300 + 867Mbps) Technology: 2T2R MIMO Interface: USB 2.0 Type-A Security: 64/128-bit WEP, WPA, WPA2 OS Support: Windows XP/Vista/7/8/10/11, Mac OS, Linux Package Contents: 1× USB WiFi Adapter (RTL8812AU) 1× External Antenna