Which is the data? in level-1 RAW data files

s1tbx
#1

I can not find it.

PXL_20230920_073149019.MP
PXL_20230920_073149019.MP1920×2550 1020 KB

#2

after open product by select .SAFE file in the director.

But I really don’t know where is the SAR data variables

#3

SNAP does not really support level-0 SAR data currently … one can just review the metadata.

You should investigate Level-1 SLC imagery.