General Disappointed in WiFi antenna strength

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http://androidforums.com – Is there a way to boost the wifi reception strength? My Android phone and laptop both pick up wifi signal great in the corners of my home, but the Nexus 7 drops the signal or just has a weak one dot in those same places. Seems like I have to be within 10-15 feet of the router to get a really strong signal. Just wondering if there are any tweaks I can do to the tablet or router to get better signal. Thanks! (General)