I just bought two LilyGo TTGO T-Echo devices. My plan is to experiment with them on snowmobiles. The ability to be slightly separated (a few km) but still send

I just bought two LilyGo TTGO T-Echo devices. My plan is to experiment with them on snowmobiles. The ability to be slightly separated (a few km) but still send location and brief messages will be handy deep in the woods where cell coverage is very spotty.