Simultaneous wireless ad hoc and infrastructure mode

Hi
When I set up an ad-hoc wireless connection on my Macbook Air, this has the effect of disconnecting from my wifi connection to my router. Is it possible to set this up in a way where I can have both an ad-hoc connection AND remain connected via the wireless router at the same time? I thought that the wireless networking on the Macbook was dual-band and would therefore allow this, or have I mis-understood?
Thanks in advance.
Phil.

Hi
I use an eye-fi card that wirelessly transfers photos from my digital camera to my Macbook. When I'm at home, it does this over the wireless network. However, when I am not at home (e.g. on holiday and staying in a hotel) I will use an adhoc / direct wifi method of transfer. If I can also connect to the hotel wifi for web access, the eye-fi software will enable me to geotag the photos and also upload a backup copy of the photos online automatically. It's not a major issue if I can't do this, but just a nice to have if I can do so easily.
Thanks,
Phil.

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Simultaneous wireless ad hoc and infrastructure mode

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