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Review: Sony Ericsson TM506

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Why is it that Sony Ericssion will make a 1700 AWS 3G phone for T-Mobile...and they won't make CDMA?


Sep 10, 2008, 1:30 PM
Sony has been out of the CDMA game for a few years now... WHY? T-Mobile is the ONLY GSM carrier out there using AWS 1700... so if they make a phone that supports it... they are making it for ONLY
T-Mobile... and that is a limited user base to sell phones to. Yet... for years they have dogged CDMA technology for years because of it's "limited user base" (compared to GSM)... yet they could be selling phones to Verizon, Sprint, Alltel, Metro, Cricket, Virgin.... who probably cover 80 million people alone. I don't get it.

Sep 14, 2008, 7:14 PM
Someone else would probably have this down better than me, but since nobody else is answering, I'll offer my vague (and possibly incorrect) recollections.

Ericsson had a big fight with Qualcomm a while back.

There is also a big long story about Qualcomm and CDMA patents. I think the GSM version of CDMA is somehow different enough to get away from Qualcomm's royalties, or somehow pay them less.

It may also be less trouble to re-design a phone to use different frequency bands than to design it to use a completely different chips.

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