With today’s launch of the Blackberry Z10 in the United States, Blackberry is moving to reestablish itself in the highly competitive smartphone arena.  By all accounts, this is an exceptional device and one that, as many had predicted, supports various LTE bands.  In the last few months there have been a number of new smartphones both announced and released into the marketplace – virtually all of them are LTE capable.   But are the LTE bands they are supporting making them compatible with networks beyond their core or “home” markets?