they call it an ETA, but functionality by definition it’s a visa. an endorsement made by the proper authorities denoting that it traveler information has beemmexamined and that the bearer may proceed
To be clear one phone is from the Netherlands with a dutch sim card. So not American but it works well and use it here in the Thailand with internet and use to make some important calls back home. Then I have a separate Thai phone with a Thai sim. Makes life very easy. My Dutch life is on my Dutch phone and Thai on Thai