The user is searching for a specific, versioned software package (version 1.0.4, archived in RAR format) that sends "Write AT" commands from a master station.
: Monitor real-time serial responses from the device to troubleshoot connectivity issues. Amazon Web Services Why "V1.0.4.rar"? Legacy Hardware Support Write At Command Station V1.0.4.rar- - Google
The user is searching for a specific, versioned software package (version 1.0.4, archived in RAR format) that sends "Write AT" commands from a master station.
: Monitor real-time serial responses from the device to troubleshoot connectivity issues. Amazon Web Services Why "V1.0.4.rar"? Legacy Hardware Support