Realtek RTL8821CE is a single-chip that supports 1-stream 802.11ac WiFi chip with Multi-user MIMO (Multiple-Input, Multiple-Output) and Wireless LAN (WLAN) PCI Express network interface controller with an integrated Bluetooth 5.0 USB interface controller. It combines a WLAN MAC, a 1T1R capable WLAN baseband, and RF in a single chip.