About roaming from US to Canada and Mexico

LTE-M / NB-IoT (Monarch)
1

Does the GM02S based products in the US support roaming to Canada and Mexico? If yes, any specific configurations required?

2

Hi Salamanga,
GM02S supports below bands that covers Mexico and Canada.
1/2/3/4/5/8/12/13/17/18/19/20/25/26/28/66/85

You’ll need to change the conformance mode to standard with:
AT+SQNCTM="standard"

You’ll also make sure you SIM provider have an agreements with carriers in Mexico and Canada