Change the extension to TXT and open it in notepad…
It has no asbuilt info or part numbers in the file. However, from the part number and firmware installed:
JS7T-14G371-KED
3.0 APIM Navigation Unit Firmware (Production Release 2017-Early 2018)
(Originally Found On 2017/Early 2018 Units That Ship with 2 USB Ports on Back)
GB5T-14G376-AA
HB5T-14G374-CA
HB5T-14G375-CA or HB5T-14G375-DA or HB5T-14G375-FA
GB5T-14G379-AA
HB5T-14G379-BA
Try the -AB version of the interrogator utility. Your hardware is older (Gen 2). It is NOT MY20.