Dual Radios, CDMA and GSM?

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Will this phone have dual CDMA and GSM support?

I've read it will. Click the link below.

http://www.phonenews.com/sprint-htc-...-surface-7908/

If so, I wonder if we purchased a Sprint one, could we unlock it and use it on a GSM Carrier like AT&T. This is a hypothetical question.

If it supports GSM, does this mean it would HAVE to support SIM cards?

Originally Posted by rmk1825

Will this phone have dual CDMA and GSM support?

I've read it will. Click the link below.

http://www.phonenews.com/sprint-htc-...-surface-7908/

If so, I wonder if we purchased a Sprint one, could we unlock it and use it on a GSM Carrier like AT&T. This is a hypothetical question.

If it supports GSM, does this mean it would HAVE to support SIM cards?

No, because the GSM radio only supports international frequencies (not 1900). The purpose is for you to roam or use GSM networks overseas not in the U.S.

Example, i want to go visit my sister in the U.K. I land at Heathrow, buy a prepaid SIM from say O2 and pop it in the TP2. If i'm back in the States, i use Sprint's CDMA network.