I've connected to a wired network before and shared that over WiFi. I'm curious if I got a USB WiFi adapter if I could do the same thing with WiFi input. So the USB WiFi adapter would be the network / internet input, and the built in WiFi adapter would be the output.

  • Why would you plug in an USB WiFi adapter if your OS X device (no clue which one?) has a built-in adapter? – Rob Feb 17 '14 at 7:27
  • @Robuust Because the built in adapter can only act as a WiFi client OR an ad-hoc WiFi AP. Since I want to do both then it only stands to reason that I would need a second WiFi adapter. – Jim McKeeth Feb 17 '14 at 18:57

Yes. You can share any network device to any other network device using the Internet Sharing settings in System Preferences.


I don't think so because the USB Wifi adapter won't have "Wifi-Options" in the Internet Sharing preference panel..


If you connect to the wifi on the USB adapter and then go to the Sharing preferences pane, and enable Internet sharing using the USB adapter as the source it should work. However depending on the adapter it might not show up in Internet sharing as a source, so YMMV.

Be careful that you have permission to do this as it can be seen (at least in the U.S.) as pirating a wireless signal or some other unauthorized use.

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