Not the Calyx hotspot?
Discussion
I don't know what that is but the goal is to decouple your device with all your data on it, from the cellphone provider by removing your sim card and using a hotspot device for your data.
Yes. Protect the IMEI. They talk about it in that video towards the end. https://calyxinstitute.org/membership/internet
While i hate to shill a company competing against calyx, they only offer tmobile and sprint. I can't use those where i live. I am looking into this:
https://www.amazon.com/SIMO-International-Coverage-Multi-Carrier-Connected/dp/B0C86W2MPR