Ec200s band 31 set up

Hi, i need to set band 31 on my ec200s-EN module,
I try to use at+qcfg=“band” command but i dont know what i need to write in “ltebandval” parametr, can u tell me what should i write?

It is written in the manual:

A hexadecimal value that specifies the LTE frequency band.

hi,yakuza:
AT+QCFG=“band”,0x40000000,
or
AT+QCFG=“band”,40000000,