T-Echo is confirmed to have a great range within “Line-of-sight”:
E-paper screen update can get very slow at low temperatures.
T-Impulse wristband looks very promising as well. However, it is rather new product and may need some time for the hardware functions to settle down:
LILYGO® TTGO T-Watch GPS + Lora (S76G) watch expansion card - #21 by Linar