jspool have right.
At some help project I participient in USA I can confirm:
Fibicom - no documentation, no proper support - not used.
Telit LM940/960 - works but not have a Cell Lock feature but works with Verizon & ATT & Sprint but T-Mobile at General firmware give Danied and it's hard do run without contact with TMobile Businnes channel.
Quectel EC25-AF & EC25-AFX & EP06-A & the EM12-G - they just work.
MTCNA + MTCRE + MTCINE | ~600 users at ~150 RouterBoards in EMEA | Telegram: @SiB_PL
WinBox Tip: F6 works as ALT+TAB | Gliffy.com - free network schematic | prnt.sc - free ScreenShot software
At vacation until 15.jan.2021