Quote:
Originally Posted by snidely
I know a WCDMA 2100 phone is needed to work in Japan. I read on a couple web sites that HDSPA is an advanced version of WCDMA and is backwards compatible with WCDMA.
1- My question is: Is a HDSPA 2100 phone usable in Japan?
2- Am I correct in stating that all WCDMA phones are UMTS but not all UMTS phones are WCDMA?
Thanks for any light someone can shed on this.
...mike
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1- yes, because hsdpa on umts as like as edge on gsm network
2- no, wcdma is the core technology of the umts, so is pratically the same to say wcdma phone or umts phone
(read
http://www.gsmworld.com/technology/3g/faq.shtml )