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Xperia X10 Clears FCC with 3G for T-Mobile USA

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Directed to... Rich Brome

RSKING85

Dec 19, 2009, 5:55 PM
So when you say a certain phone clears FCC regulations and is carrier specific for the phone's 3G data capabilities... is that like saying that the phone will soon be in the T-Mobile all-star line-up of handsets? Just wanted some clarification good sir... Thanks in advance! 😁
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Rich Brome

Dec 19, 2009, 6:11 PM
It means it's likely, but by no means not guaranteed.

Manufacturers will sometimes make versions of phones for the US just to sell themselves, unlocked. However, if it's a 3G phone, they usually design it to work with AT&T's network, since they have more customers, and therefore a larger potential market for the phone. (Nokia and Sony Ericsson both do this.)

So for a phone to have T-Mobile 3G usually means it's intended to be offered by T-Mobile themselves. However, it's not at all uncommon for high-end phones like this to be planned, then killed before release. It may fail some kind of testing, or the carrier may simply decide they can't get the price down to something they think will sell.

So I can't say what's going on for...
(continues)
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terryjohnson16

Dec 19, 2009, 7:44 PM
What about the Nokia N900? That has T-Mobile's 3G, yet T-Mobile hasn't indicated any N900 launch.
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Rich Brome

Dec 19, 2009, 8:38 PM
Exactly. A perfect example of how a phone might have TMO 3G and not come to TMo. (Although I suppose it could still happen with that one.) With that said, 90% of phones approved with TMo 3G do come to TMo.
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terryjohnson16

Dec 19, 2009, 8:47 PM
Any chance of Penta-band 3G phones coming next year to make it easier for OEMs? Like instead of making 850/1900/2100 phones for AT&T and other 850/1900 carriers, and having 900/1700/2100 for T-Mobile USA, and other AWS carriers, they could just make a single chip with 850/900/1700/1900/2100. Especially with LTE 700/1700 bands coming soon.

Does anyone really use HSPA 900?
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Rich Brome

Dec 20, 2009, 11:28 AM
Yes, it's being worked on. There's a major effort underway to create phones work on all major 3G bands. The problem is more the antenna than the chip, but it's being worked on.

Unfortunately, around the time those phones hit the market, LTE will be deployed on new and different bands in many parts of the world, complicating things further.

Just like how quad-band GSM phones became common right around the time 3G took off, antenna technology will probably continue to be one generation behind.
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AndroidRules

Dec 20, 2009, 2:55 PM
Just of curiosity... Can T-Mo deploy 3G at 1900Mhz or they dont have enough spectrum?
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terryjohnson16

Dec 20, 2009, 3:01 PM
Not enough 1900 spectrum. That's why they bought AWS 1700 spectrum in 2006 for 3G.
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AndroidRules

Dec 20, 2009, 3:11 PM
Oh duh yeah my mistake. I guess AT&T has tons of spectrum to be deploying 3g at 850 too.
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terryjohnson16

Dec 20, 2009, 3:34 PM
AT&T has so much cellular 850 and PCS 1900 spectrum that it should be illegal lol. Cingular had their own 850/1900 spectrum then added what ATT wireless had when they bought them out. That's why they can add so much 3g that it won't hurt thee 2g network in some places. We all know the story in San Francisco and NYC spectrum and capacity wise.

Verizon has just about as much or even more spectrum than ATT.
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Rich Brome

Dec 20, 2009, 8:46 PM
It was necessary for them to deploy 3G in the 1700 band because they didn't have enough spectrum at 1900 to run both 2G and 3G at the same time in that band. Also, they simply needed more spectrum to handle more customers using more data. Everything at 1900 was spoken for, so new bands would have been required eventually. 1700 is what was available from the government. Deploying GSM 1700 would have been even messier, so 3G at 1700 was really their only choice.

Now, when they eventually start to phase out 2G, they may deploy 3G in the 1900 band. Who knows how they'll handle 4G.
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terryjohnson16

Dec 21, 2009, 8:27 AM
Do think they would phase out 2G anytime soon? I know they bought the most AWS spectrum for 3G, but is that enough to handle both 3G and LTE? I hope it is, because Verizon, and AT&T, will use their AWS as well as the 700MHz spectrum for LTE.
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Rich Brome

Dec 21, 2009, 10:56 AM
T-Mobile can use less spectrum because they have less than half the customers of AT&T. Ditto for Verizon.

That also means they may be stuck in the market share position they're in. If they had any aspirations to be the #1 carrier in a few years, I don't see how they could handle that many customers with their current spectrum holdings. They would have to buy Sprint or something similar.
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terryjohnson16

Dec 21, 2009, 12:06 PM
I don't know why they felt they didn't need to bid on the 700MHz spectrum. I wonder if they will bid on a new auction. I thought they wanted to bid again for the rest of the AWS-3 auction.

They could buy Sprint out, if they saw fit to do so. Heck, I think they will buy out MetroPCS either in 2010, or 2011.
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AndroidRules

Dec 21, 2009, 2:45 PM
terryjohnson16 said:
I don't know why they felt they didn't need to bid on the 700MHz spectrum. I wonder if they will bid on a new auction. I thought they wanted to bid again for the rest of the AWS-3 auction.

They could buy Sprint out, if they saw fit to do so. Heck, I think they will buy out MetroPCS either in 2010, or 2011.


I thought T-Mo was outbid by Big Red on the 700MHz spectrum, no? But yeah I'm in agreement, I would have loved the 700MHz. Better indoor penetration.

MetroPCS is ideal. Metro is gonna go LTE, they use AWS 1700 and they have 1900MHz just like T-Mo does. T-Mo could simply convert all of Metro customers to their Flexpay plan which is the same platform Metro uses now. I think it c...
(continues)
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terryjohnson16

Dec 21, 2009, 3:01 PM
T-Mobile didn't enter the 700MHz spectrum auction. AT&T and Verizon were knocking each others head off to be the victor with the most 700MHz spectrum.
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terryjohnson16

Dec 21, 2009, 3:04 PM
I see T-Mobile buying MetroPCS and Cricket eventually. T-Mobile took way too long to buy Suncom. If AT&T didn't have coverage in the Carolina's they would been the vultures to swoop down and buy Suncom.
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Versed

Dec 21, 2009, 8:37 PM
terryjohnson16 said:
I see T-Mobile buying MetroPCS and Cricket eventually. T-Mobile took way too long to buy Suncom. If AT&T didn't have coverage in the Carolina's they would been the vultures to swoop down and buy Suncom.


They didn't need it, and what vultures?
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AndroidRules

Dec 19, 2009, 8:54 PM
Rich Brome said:
Exactly. A perfect example of how a phone might have TMO 3G and not come to TMo. (Although I suppose it could still happen with that one.) With that said, 90% of phones approved with TMo 3G do come to TMo.


Yeah I believed this happned with the Samsung Galaxy aka i7500. Which of course a variant wound up later as the "Behold II"
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RSKING85

Dec 19, 2009, 8:13 PM
That'd be legit! The X10 sure is a nasty device spec wise and to have Android OS, wow! Let's hope the negotiations are going well...
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AndroidRules

Dec 19, 2009, 8:56 PM
RSKING85 said:
That'd be legit! The X10 sure is a nasty device spec wise and to have Android OS, wow! Let's hope the negotiations are going well...


Hell yeah. I'm afraid of what the pricing will be on this bad boy though
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