Eish. Sorry that this became the I-hate-TMo-because intro thread.
I've used various non-TMo dedicated mifi hotspots (AT&T Branded) over the years and used my TMo iphones as hotspots also all without issue or noticeable issues. Granted, I wasn't streaming live video up or down or doing any "heavy" internet use - such as gaming that requires low latency (if that's what gamers complain about, I'm not one of them). But as long as I've had a decent to excellent "cell signal" as displayed on the MiFi, I've always been able to use MSFT Teams video, GoToMeeting video without issue, generally surf the web, watch a Netflix episode of whatever show, and send/receive emails without issue.
I was thinking this M2000 Hotspot would be a decent replacement and, if it upped the cell speed by using 5G when it could (which I know is a rarity) - then so be it.
But, boy 'o boy did I start things down a path.