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Use a wireless router as a repeater for a laptop?

Hi all, I am wondering if it would be possible to bridge a wireless router with a wifi card in a laptop, so that the wireless router would essentially serve as an extended antenna for the wifi card.

I know that you can bridge two routers to extend the range from the base router, but that's not what I'm trying to do. Instead, I want to bridge the extra wireless router with the laptop, so that the extra router is basically transparent, serving only as an extension of the laptop's wifi.

Is such a configuration possible? I would be using something like DD-WRT firmware on an appropriate extra router.

Thanks for your help with this.

Jon