All of the Wi-Fi 6 features are supported in the 2.4 GHz band in an Ezurio (Formerly Laird Connectivity) Wi-Fi 6 radio. This was not the case in Wi-Fi 5. It reverted back to Wi-Fi 4 in the 2.4 GHz channels. Our current options are here:
RF Transceiver Modules and Modems | Electronic Components Distributor DigiKey
Source - Are all of the Wi-Fi 6 features available in the 2.4 GHz band? | Laird Connectivity is Now Ezurio