R52N - 5.4GHZ certification?

RouterOS Wireless Networking
1

Am I reading correctly that the R52N has been certified for use in the 5.4 band in the US?

https://fjallfoss.fcc.gov/oetcf/tcb/reports/Tcb731GrantForm.cfm?mode=COPY&RequestTimeout=500&tcb_code=&application_id=413699&fcc_id=TV7R52N

Does RouterOS beta now support DFS2 and TPC? Can we get more info on this? This would be huge…