We have (2) locations that have wireless with the exact setup at each. The routers are Linksys E4200Wireless-N Routers. At one location our Iphones connect to the Wireless flawlessly. When you go to the other location that broadcast the same previous location, our email will not connect. We are on Exchange2003 and the server resides at the 2nd location. I get "Cannot Get Mail", "The connection to the server failed" when the phone tries to sync. We have mostly 3gs iphones but a couple 4g models. We also have a Microwave connection between our (2) locations and are able to utilize each others networks across the link...