Product Specs

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2.Features
General Information

CMOS MAC, Baseband PHY and RF in a
single chip for IEEE 802.11a/b/g/n/ac
compatible WLAN
 Support 802.11ac 1x1,Wave-2 compliant
with MU-MIMO STA mode
 Complete 802.11n MIMO solution for
2.4GHz and 5Ghz band
Host Interface
 Complies with PCI Express Base
Specification Revision 2.1

Complies with USB2.0 FS-mode
Specification for Bluetooth
Standards Supported
 IEEE 802.11a/b/g/n/ac compatible WLAN
 IEEE 802.11e QoS Enhancement (WMM)

IEEE 802.11i (WPA, WPA2). Open, shared
key, and pair-wise key authentication
services
 IEEE 802.11h DFS, TPC, Spectrum
Measurement
MAC Features

Frame aggregation for increased MAC
efficiency (A-MSDU, A-MPDU)
 Low latency immediate Block
Acknowledgement (BA)
 Long NAV for media reservation with
CF-End for NAV release

Transmit Opportunity (TXOP) Short
Inter-Frame Space (SIFS) bursting for
higher multimedia bandwidth
 WiFi Direct supports wireless peer to peer
applications.

WiFi NAN (Neighborhood Area Network)
support
Other Features
 Supports Wake-On-WLAN via Magic
 Maximum PHY data rate up to 86.7Mbps
using 20MHz bandwidth, 200Mbps using
40MHz bandwidth, and 433.3Mbps using
80MHz bandwidth.

Backward compatible with 802.11a/b/g
devices while operating at 802.11n data
rates
 Backward compatible with 802.11a/n
devices while operating at 802.11ac data
rates.
 PCIe LTR / L1.OFF state supported
 USB Selective Suspend supported

IEEE 802.11k Radio Resource
Measurement
 WAPI (Wireless Authentication Privacy
Infrastructure) certified.

Cisco Compatible Extensions (CCX) for
WLAN devices
 PHY-level spoofing to enhance legacy
compatibility
 Channel management and co-existence

Multiple BSSID feature allows the
RTL8821CU-CG to assume multiple MAC
identities when used as a wireless bridge
 WiFi FTM (Fine Time Measurement)
supported

WiFi TDLS (Tunneled Direct Link Setup)
Supported

Support Network List Offload