perhaps the most "non-metro" areas I've used it in has been the outskirts of Oaxaca, Mexico and Engelberg, Switzerland and I had no issues at all with coverage.
as expected, slight delay when you switch countries (and thus carriers). it also gets a little confused at the borders of Switzerland/Germany.
as expected, slight delay when you switch countries (and thus carriers). it also gets a little confused at the borders of Switzerland/Germany.