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GSM 900/1800MHz

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GSM 900/1800MHz

Is an AT&T SIM card compatible with GSM 900/1800 MHz?

Thank you 

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ACE - Sage
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Accepted by ACE - Sage (ACE - Sage)
Accepted by lizdance40
‎09-29-2017 6:27 AM

Re: GSM 900/1800MHz

ATT does not have a 2G network anymore.     These are the network bands

 

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(The following is included after all posts to save typing) I don’t work for AT&T. My replies are based on experience and reading content available on the website. Our answers are honest, but not always appreciated. If you posted personal information, please edit and remove.
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Tutor

Re: GSM 900/1800MHz

Thank you for your help.
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ACE - Expert

Re: GSM 900/1800MHz

GSM 900/1800 are European frequencies and have not been used by US carriers. If you're wondering whether your AT&T SIM card can be used for roaming on GSM networks in Europe, then as far as I know nothing has changed and you should still be able to do it although in most places you will be seeing LTE/3G signal these days. 

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*The views and opinions expressed on this forum are purely my own. Any product claim, statistic, quote, or other representation about a product or service should be verified with the manufacturer, provider, or party.
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Tutor

Re: GSM 900/1800MHz

Thank you for your help.
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