Supported wireless LAN controllers

Cisco Catalyst 9800 Series Wireless Controllers

Cisco 3504, 5520, and 8540 Wireless Controllers and Cisco Virtual Wireless Controller

802.11n version 2.0 (and related) capabilities

2x2 MIMO with two spatial streams

Maximal Ratio Combining (MRC)

802.11n and 802.11a/g

20- and 40-MHz channels

PHY data rates up to 444.4 Mbps (40 MHz with 5 GHz and 20 MHz with 2.4 GHz)

Packet aggregation: Aggregate MAC Protocol Data Unit (A-MPDU) (transmit and receive), Aggregate MAC Service Data Unit (A-MSDU) (transmit and receive)

802.11 Dynamic Frequency Selection (DFS)

Cyclic Shift Diversity (CSD) support

802.11ac

2x2 downlink MU-MIMO with two spatial streams

MRC

802.11ac beamforming

20-, 40-, 80- MHz channels

PHY data rates up to 866.7 Mbps (80 MHz with 5GHz)

Packet aggregation: A-MPDU (transmit and receive), A-MSDU (transmit and receive)

802.11 DFS

CSD support

WPA3 support

802.11ax

2x2 uplink/downlink MU-MIMO with two spatial streams

Uplink/downlink OFDMA

TWT

BSS coloring

MRC

802.11ax beamforming

20-, 40-, 80- channels

PHY data rates up to 1.488 Gbps (80 MHz with 5 GHz and 20 MHz with 2.4 GHz)

Packet aggregation: A-MPDU (transmit and receive), A-MSDU (transmit and receive)

802.11 DFS

CSD support

WPA3 support