| Question： |
I have a triband gsm phone that i bought from china that is 3G and was woundering if I bought a at&t gsm airvoice international sim card along with at&t sim card will it work in the united states is were i live |
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| Answer： |
please visit http://www.wireless.att.com/coverageviewer/#?type=payg
to check signal first. If it has signal, most likely, you can use our sim card. ATT uses gsm 1900 and 850 to send the signal. Triband handset only has the GSM1900. It would be best if you have both bands.
LL |
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