Does Ruckus H320 or R320 or R510 (or other Ruckus APs) support MRC

[vladimir_chesno]

Hello, friends! Help pls.

Does Ruckus R320 or R510 (or other Ruckus APs) support  MRC (maximum ratio combining) ?
Does it same lite PD-MRC or not?

Or this MRC is standart of 802.11n and all APs support it by defualt?

Thank you.