GSM modules in the USA?

Hello, I wonder if someone can help me out please. I'm looking for a GSM module that can be used in the USA on companies like Tmobile and AT&T. The old modules I have are for 3G. I'm in search of a 4G LTE module now. All the ones I saw and the past ones I use to use no longer works. I can't seem to find one that will work. Please someone help me out?

Joseph

I don't live in the US, but I think no 3G module can work anymore, because I read Tmobile saying:

As of July 1, 2022, T-Mobile's older 3G UMTS network has been retired
As of March 31, 2022, Sprint’s older 3G (CDMA) network has been retired

So I'm sorry but unless someone living in the US sys more, it looks like you can't use 3G GSM modules anymore, you need to replace them qith at least 4G LTE ones.

@docdoc That is what I'm looking for is a 4G GSM module.

Ok, so I misinterpreted your sentence "I can't seem to find one that will work", you meant 4G modules, not 3G.

I see many 4G/LTE modules around, ranging from a few bucks from AliExpress, up to others more expensive.

I don't know exactly what you mean with "So far all the ones I saw and the past ones I use to use no longer works." because AFAIK to use a 4G module you need first to make sure your SIM is really 4G enabled, or a change of the SIM will be also required.

@docdoc My apologies. I corrected my original port to have a 4G LTE module.

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