It sounds like you’re referring to a custom Windows 10 Pro 21H1 image with something labeled GSM Pack v2.7.
For technicians looking to set up a dedicated workstation, this pack serves as an "all-in-one" solution to resolve common Windows errors encountered during mobile servicing. windows 10 pro 21h1 gsm pack v2.7
Once verified, I can help write a technical paper describing its architecture, deployment, and compatibility with Windows 10 Pro 21H1. It sounds like you’re referring to a custom
Support: It is not supported by Microsoft. Technical issues must be resolved through the GSM community or the original pack creator. The GSM Pack v2
Benefits of Using Windows 10 Pro 21H1 GSM Pack v2.7
Or:
“Integration of GSM Modules with Windows 10 Pro for IoT and Embedded Systems”