RM520N RF Test AT command?

Hi, I have an RM520N-GL cell modem. Are there any AT commands available for stress testing the modem? For example, on other Quectel modems I have used:
AT+QRFTESTMODE=1
AT+QRFTEST= “LTE BAND4”,20175,“ON”,70,1
Thanks,
Doug Burrell

Dear @dooglas77
I have sent to you via Message, please check.

Thank you @silvia , I will read through this document in detail.