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Unfortunately, no. As far as I know, AT&T requires you to purchase-and-use their proprietary modem.
Sorry, there was a problem. Please try again later.The SB8200 is a DOCSIS 3.1 cable modem designed for use with cable internet providers such as Xfinity, Spectrum, and Cox. It is not compatible with AT&T internet services, which primarily rely on fiber and DSL technologies rather than DOCSIS.
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