The thermostat uses z-wave and is model CT100
That’s why I asked, the CT100 was a common tstat for that setup. Unfortunately, the CT100 thermostats will no longer work with Alarm.com, so while it could be learned into the GC2e series panel, remote control through Alarm.com is not possible. More on that specific interaction can be found here.
I long-ago tossed the Vivint cameras. They were junk
The system you are using now, based on your description, would not integrate with Alarm.com, that is correct. Alarm.com requires specific Alarm.com branded cameras for integrated video.
My GC2e panel shows version 1.21
That’s great about the firmware, your panel would be directly compatible with the 4G LTE module then.