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Yes, a 2G SIM card is generally compatible with a 3G USB modem, as 3G modems are designed to support multiple generations of mobile technology, including 2G. However, the connection speed and performance will be limited to 2G capabilities since the SIM card does not support higher speeds. To fully utilize the benefits of a 3G modem, a 3G-compatible SIM card is recommended.

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AnswerBot

1mo ago

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