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I was wondering if there's any way for a laptop to be both simultaneously connected to a wireless network, while at the same time acting as an ad-hoc network with local access to serve as a wifi connection for my mobile device, which would be ssh-ing into the laptop and using local resources.

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up vote 3 down vote accepted

Without two wireless cards, no. In general, a single wireless radio can either be joined to an existing network, or be broadcasting an ad-hoc network, not both. With two wireless cards, however, it'd most definitely be possible.

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