Specifications

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