problem with wifi connection on my tablet samsung 7.7

[asyrafaida]

hi..
i have problem with a weak wifi connection on my tablet7.7. actually i have compared with samsung tablet10.1. when a certain place my tablet7.7 shown no connection on my wifi but when i tried to samsung tablet10.1 it still have wifi connection same as samsung galaxy 2. are this problem comes from my tab 7.7 hardware or because the software. anyone can help please..thank u...