Netgear N600 iPad 2 strong signal same with phone and notebook all on same network. Now have iPad 3 and have only 1 or 2 bars for WiFi. IPad 2 uses 5.01 New iPad uses IOS 5.1. Os ver only difference. Have both iPads on now 5 bars for ipad2 And only 2 bars for iPad 3. What to do? Appreciate any thoughts.