This is a deep dive into the forum’s history but it’s also the most recent post I can find on cell coverage. All of the links in this thread now point nowhere or to pricing docs but I’m unable to find updated cellular coverage maps or even a list of carriers per country. I’m curious about 2G/3G as well as LTE-M/NB-IoT. @KyleG or others, are you able to point me toward an appropriate link? Thanks!
EDIT: found a small part of the answer in this post but still can’t find the complete picture: New Particle hardware?.