I'm considering a move from my iPAQ 5455 (Windows Mobile 2003 OS) to an XDA II so that I can combine phone and PDA. In the process, I'd like to use AT&T Wireless as my carrier.
I know that AT&T Wireless will supply the appropriate SIM chip for the XDA II. Is anyone aware of any compatability issues I might consider in the process?
For instance, the XDA II is rigged for operation on frequencies 900/1800/1900. AT&T Wireless, I understand, operates on both 850 and 1800. Is the XDA II's inability to operate on 850 a material limitation?
AT&T runs on 1900 MHz (thats the standard GSM band in the US) and has recently started adding 850 MHz towers. So the XDA II will work on AT&T. If they build out 850 MHz in your area and don't further expand 1900 MHz, then you may not get the best coverage (this is true of all AT&T phone models too, until they started selling 850 MHz models recently). If you already have good AT&T coverage in your area, then the XDA II should work fine. If you live in an area with marginal AT&T coverage, then it may not be a good idea since further towers will be 850 MHz.
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