RM520N-GL AT command (at+qcainfo/at+qmtuinfo)

Does RM520N-GL support these two commands (at+qcainfo/at+qmtuinfo). I tried to test these commands and their response is error.
How can I get carrier aggregation parameters and MTU info on RM520N-GL?

Dear Sir,
Thanks for your asking. What is your current firmware version?
It would be appreciated if you share the details of project with us.
• Company name and Located city:
• Project name (so we can refer to it in the future):
• Application type:
• Estimated Annual Units (for series production):
• Project timeline:
• Current status:
• From which distributor do you buy Quectel modules & EVB kits?