Keysight M9421A - 256 QAM-3;4 RMS EVM; 256 QAM-5;6 RMS EVM; Edit 11 ax;11 be Limit

3 WLAN Mode
3.6 Modulation Analysis Measurement
256QAM-3/4 RMS EVM
This parameter is available when Radio Std is 802.11ac, or 802.11ah.
Sets 256QAM coding rate ¾ RMS EVM limit to warn you if the measured average
RMS EVM value exceeds a limit.
Remote
Command
:CALCulate:EVM:LIMit:RMS:QA256:R3B4 <rel_ampl>
:CALCulate:EVM:LIMit:RMS:QA256:R3B4
Example
:CALC:EVM:LIM:RMS:QA256:R3B4 -20
:CALC:EVM:LIM:RMS:QA256:R3B4?
Notes This limit value is used in 802.11ac or 802.11ah
Preset -30.00 Db
State Saved Saved in instrument state
Min -1000
Max 0
256QAM-5/6 RMS EVM
This parameter is available when Radio Std is 802.11ac or 802.11ah.
Sets 256QAM coding rate 5/6 RMS EVM limit to warn you if the measured average
RMS EVM value exceeds a limit.
Remote
Command
:CALCulate:EVM:LIMit:RMS:QA256:R5B6 <rel_ampl>
:CALCulate:EVM:LIMit:RMS:QA256:R5B6
Example
:CALC:EVM:LIM:RMS:QA256:R5B6 -20
:CALC:EVM:LIM:RMS:QA256:R5B6?
Notes This limit value is used in 802.11ac or 802.11ah
Preset -32.00 Db
State Saved Saved in instrument state
Min -1000
Max 0
Edit 11ax/11be Limit
This page defines the EVM limit for 11ax/11be:
WLAN Mode User's &Programmer's Reference 1056