802.11ac/abgn USB WLAN with Bluetooth 4.0 Single-Chip Controller

General Description

The Realtek RTL8821AU-CG 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-CG provides a complete solution for a high-performance integrated wireless and Bluetooth device.


  • QFN-56 package
  • 802.11 ac/abgn
  • 802.11ac Draft 2.0 1x1
  • Bluetooth 4.0
    Host interface
  • USB2.0 for WLAN and BT controller


  • The product is applicable for Dongle and Set-top box application.