The Realtek RTL8821AU is a highly integrated single-chip that supports 1-stream 802.11ac solutions with Wireless LAN (WLAN) and integrated Bluetooth 2.1/3.0/4.0 USB-multi interface controller. It combines a WLAN MAC, a 1T1R capable WLAN baseband, and RF in a single chip. The RTL8821AU provides a complete solution for a high-performance integrated wireless and Bluetooth device.
The product is mainly applicable for Dongle and Set-top box application.