AP7532 configuration issue

[Di_Wu]

When I finished the setup of my AP7532, it seems didn't running the right confirguation.

Below is my radio settings:

And finally please see the below status：

It's really confused me. Could someone tell me why?
Thank you very much.

[Di_Wu]

Still 11A, not 11AC

[Edmundo]

Configuration/Wireless/Home WiFi"

Enable Per-Client and Aggregate (WLAN) Select 1,000,000 kps

[Di_Wu]

AP-7532-67030-US

[Edmundo]

Which of Part has the AP7532. This is on the back label of the computer.
P/N:

[Di_Wu]

I think it's difficult for me. How can I config this via Web UI.
My AP runnings the WiNG OS 5.9.0.