doesn't AT&T's Blackberry work on a specific frequency? i own a Palm Pre Plus previously locked on ATT and when i moved to europe and unlocked it, it didn't have 3G signal,cause it is working only (!!!!) at 1900 MHz... and now i'm using it with EDGE
![Mad](http://www.blackberryforums.com/images/smilies/icon_mad.gif)
![Mad](http://www.blackberryforums.com/images/smilies/icon_mad.gif)
![Mad](http://www.blackberryforums.com/images/smilies/icon_mad.gif)
i want to buy a blackberry but i'm afraid after this.
thank you