I think this is probably more of a networking question than an iOS 5 issue, but I thought maybe someone here would know the answer. I have an iMac and a Netgear WNDR 3700 router. I have 3 wireless "networks" or "accounts" set up using this router: (1) a "guest" network (wireless b/g/n); (2) a network that runs at 2.4 ghz (wireless b/g/n); and a network that runs at 5ghz (wireless a/n). I was having difficulty syncing wirelessly -- the iPad didn't seem to be able to find my iMac on the network. Then I changed to the 2.4 ghz b/g/n "network" and it worked just fine. When I am connected to either of the other two networks it doesn't work. Does anyone know why it could be that it will work only when attached to the one network?