SAMSUNG Modem In 2017 iMac

macos network imac modem

I have a 2017 iMac running Bug Sur 11.4. I have no USB network devices attached and am only connected via Wi-Fi. However, under System Preferences > Network, I see a Modem submenu, where I can input a phone number, account name, and password.

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What does this do, as the iMac doesn't have an RJ11 port? I have no use for dial-up but I am curious. Thanks in advance.


@Tejustin helped me predict that the DeX app and/or Samsung Smart Switch caused this extra modem to appear.

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