802.11ac/abgn USB WLAN with Bluetooth 4.2 Single-Chip Controller

General Description

The Realtek RTL8821CU-CG is a highly integrated single-chip that supports 1-stream 802.11ac solutions with Multi-user MIMO (Multiple-Input, Multiple-Output) and Wireless LAN (WLAN) with integrated Bluetooth 2.1/3.0/4.2 USB-multi interface controller. It combines a WLAN MAC, a 1T1R capable WLAN baseband, and RF in a single chip. The RTL8821CU-CG provides a complete solution for a high-performance integrated wireless and Bluetooth device.


  • QFN-56 package
  • 802.11 ac/abgn
  • 802.11ac 1x1, Wave-2 compatible with MU-MIMO
  • Bluetooth 4.2
    Host interface
  • USB2.0 for WLAN and BT controller


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