Originally Posted by kolosus
I'm from Bangladesh. I got the Design for the same reason. I'm not sure how the phone decides that you're on a usa gsm band or an international gsm band but I hear it'll work fine overseas. Let us know how it goes. I do know that the AOSP/KP roms do not have the dual antenna feature supported so make sure to have a sense rom.
They absolutely do not support the other antennas so make sure you flash a stock rom before traveling abroad.