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iPhone 3G: What's the frequency?

Please help us determine whether there are any patterns connected to the reception issues experienced by some iPhone 3G owners on AT&T's network.

If you've been having connection issues with your iPhone 3G, please let us know where you are.
Apple

If you're an iPhone 3G owner in the U.S., we need your help.

Earlier Monday, we reported on the 3G reception issues that a number of iPhone 3G users have run into during their first month with the device. We'd like to have a little more data to see if there are any patterns connected to who is having problems, and who isn't.

In the comments below, or in an e-mail to me (tom.krazit@cnet.com) please post the following:

Area in which you live.

Date on which you bought your iPhone 3G.

Do you live inside an area labeled as 3G as shown on AT&T's coverage map?

Have you experienced problems with dropped calls or flaky 3G connections? Please elaborate.

This part might require you to be on hold for a while, but it could be potentially very interesting: please call up an AT&T customer service representative and ask them if the primary 3G tower near your home or that your phone is currently using runs on the 1900MHz frequency or the 850MHz frequency. Earlier today I was told by an AT&T customer representative that they can do a system test on your phone to see which 3G tower you're connected to, and the frequency of that tower. If they seem confused, ask them to look it up.

If you're an AT&T customer using another 3G phone on the network, please also respond with your location and whether or not you're having the same kinds of issues. And if you're outside the U.S. and can share your experiences, that would also be helpful.

Thanks for your time.