Wifi connectivity, ipad2, os7

I just bought an ipad2 wifi. It's running os7. It does not have a strong wifi connection. I must stay in the same room as router to maintain connection. When near hot spots, other networks are not found.  Does anyone have any suggestions?  I have changed http proxy to auto and changed the DNS to 8.8.8.8. I am able to keep a weak connection near the router under these settings but no connection further away and no other networks come up at hotspots.

Hi Maria Martinet,
Welcome to the Apple Support Communities!
I know having Wi-Fi issues can be frustrating. I would suggest the steps in the following article to help isolate and resolve this situation.
iOS: Troubleshooting Wi-Fi networks and connections
http://support.apple.com/kb/TS1398
Have a great day,  
-Joe

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    ~~~~~~~~~~~~~~~
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    ~~~~~~~~~~~~~~~~~~~~~~~
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    ~~~~~~~~~~~~~~~
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    ~~~~~~~~~~~~~~~
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    iOS: Recommended settings for Wi-Fi routers and access points  http://support.apple.com/kb/HT4199
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    ~~~~~~~~~~~~~~~
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