08-17-2009 06:40 AM
You can check the below link for comparing BlackBerry device that supports both GSM and CDMA coverage - http://na.blackberry.com/eng/devices/compare/produ
As far as I know there is no BlackBerry device that supports 450 MHz frequency. This frequency is mostly used by WLL operators.
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08-26-2009 01:46 PM
Question: So a AT&T subsciber with Blackberry data plan can put their SIM card into a Verizon Blackberry phone (newer Blackberry) and phone will work, vice versa?
Maybe. If the VZW BB has been unlocked from VZW, then it might allow it to be used on another carrier. All BB's are locked to their original carrier and, to use on another carrier, need that to be unlocked. See this article:
08-26-2009 11:02 PM
08-27-2009 01:40 PM
08-27-2009 10:53 PM
08-28-2009 01:28 AM
Actually, I do...I have the Pro version...and it reboots once per day. But, keep in mind that it is a simulated batt-pull...nothing truly replaces a true batt-pull. Every so often, one of those will still be required.
FWIW -- the SIM-caused reboots are not a consistent issue...not everyone experiences them. Hence the reason to post such information here -- so that others who might stumble across this thread will see that they may possibly find a solution to their problem...or perhaps not. Such is the nature of public forums such as these.