iPad 2 sliced up again, this time in the name of radio science

By now you’ve probably watched iFixit’s recent iPad 2 teardown video several times while drooling profusely, but we just know you’re itching to find out what’s different with the innards of the WiFi-only, GSM, and CDMA versions. Well once again, iFixit’s got you covered — via an “exceptionally cool” user-contributed post, this time. A grand total of three iPad 2s were sacrificed in this round, revealing variations in case design, antenna count, WWAN board layout, radio chipset choices, and headphone jack assemblies. Besides clearly visible changes like the black antenna window on the 3G models and the microSIM slot on the GSM version, it’s interesting to note that Apple made the same design choices with the iPad 2 and the iPhone 4. The CDMA model features an additional antenna over its GSM sibling, and uses a Qualcomm Gobi dual-mode radio which supports both CDMA and GSM — the latter being unused — along with an integrated GPS receiver, just like the iPhone 4 for Verizon. The GSM version, meanwhile, uses an Infineon chipset for GSM and a separate Broadcom module for GPS, just like the global iPhone 4. Follow the source link below for more sordid details plus high-resolution pictures.

iPad 2 sliced up again, this time in the name of radio science originally appeared on Engadget on Wed, 30 Mar 2011 03:37:00 EDT. Please see our terms for use of feeds.

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AT&T agrees to buy T-Mobile USA from Deutsche Telekom for $39 billion (update)

Wowzers! AT&T and Deutsche Telekom have entered into a definitive agreement for the sale of T-Mobile USA for $39 billion in cash and stocks. The combined customer base of this upcoming behemoth will be 130 million humans, though the agreed deal will have to pass the usual regulatory and closing hurdles before becoming complete. The two companies estimate it’ll take them 12 months to get through all the bureaucracy — if they get through, the proposed network merger will create a de facto GSM monopoly within the United States — but we don’t have to wait that long to start discussing life with only three major US carriers. AT&T envisions it as a rosy garden of “straightforward synergies” thanks to a set of “complementary network technologies, spectrum positions and operations.”

One of the other big benefits AT&T is claiming here is a significantly expanded LTE footprint — 95 percent of Americans, or 294 million pops — which works out to 46.5 million more than AT&T was claiming had it gone LTE alone. Of course, T-Mobile has never put forth a clear strategy for migrating to LTE, suggesting that AT&T plans on using the company’s AWS spectrum to complement its own 700MHz licenses as it moves to 4G. You might be groaning at the thought of yet another LTE band, but it’s not as bad as you might think: MetroPCS already has a live LTE network functioning on AWS, so there’s precedent for it. For further details, hit up the gallery below, the Mobilize Everything site, or the official press release after the break.

In the event of the deal failing to receive regulatory approval, AT&T will be on the hook for $3 billion to T-Mobile — a breakup fee, they call it — along with transferring over some AWS spectrum it doesn’t need for its LTE rollout, and granting T-Mo a roaming agreement at a value agreeable to both parties.

Update: TmoNews obtained a copy of Deutsche Telekom’s press release regarding the deal — it looks like the German company will be getting $25 billion in cash and $14 billion in stock, giving it an 8 percent stake in AT&T when all is said and done. Read the full document after the break.

Continue reading AT&T agrees to buy T-Mobile USA from Deutsche Telekom for $39 billion (update)

AT&T agrees to buy T-Mobile USA from Deutsche Telekom for $39 billion (update) originally appeared on Engadget on Sun, 20 Mar 2011 14:27:00 EDT. Please see our terms for use of feeds.

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Ericsson delivers HD voice on CDMA, crystal clear calling coming to a network near you

Smartphones continue to improve in the “smart” areas: better screens, faster processors, more memory, etc., but there’s not been a lot of innovation in the phone aspect of those devices. HD voice technology can change that, but since its introduction in 2009, hi-fi calling was only available on GSM networks… until now. Ericsson has just made the first HD voice call via CDMA — made possible by a new Enhanced Variable Rate Codec Narrowband-Wideband (EVRC-NW for the awkward acronym-loving crowd). The codec delivers sound in the 50Hz – 7000Hz range, which makes traditional calls limited to the 300Hz – 3400Hz spectrum sound like they’re coming from a drive-thru attendant at your local Mickey D’s. So far, the tech’s limited to the lab, but here’s hoping Ericsson lets it roam free to deliver the dulcet tones of our friends and family sooner rather than later.

[Thanks, Fdegir]

Continue reading Ericsson delivers HD voice on CDMA, crystal clear calling coming to a network near you

Ericsson delivers HD voice on CDMA, crystal clear calling coming to a network near you originally appeared on Engadget on Fri, 18 Mar 2011 05:53:00 EDT. Please see our terms for use of feeds.

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Deutsche Telekom thinking of merging T-Mobile USA with Sprint?

It ain’t as crazy as you may think. If you’ll recall, we actually heard last month that Deutsche Telekom was mulling the idea of spinning off T-Mobile USA from its portfolio, and now it looks as if one carrier in particular is interested. According to the inimitable “people with knowledge of the matter,” Bloomberg Businessweek is reporting that Deutsche Telekom has gone ahead with talks to “sell its T-Mobile USA unit to Sprint in exchange for a major stake in the combined entity.” Granted, there’s no guarantees at this point that the two will actually reach a deal that sits well with both boards, and up until now, they haven’t been able to come to terms with T-Mob’s valuation. As the story goes, Deutsche Telekom has purportedly said that it could sell “all or part of the US business, and all options are open.” Meanwhile, Sprint’s remaining mum. A merger of these two would combine the number three and four players in America, but if that doesn’t pan out, T-Mobile USA may end up buying wireless spectrum from Clearwire as an alternative. We’re hearing that an outright sale of T-Mobile in the US is pretty much off of the table, but considering just how many backroom talks are apparently going on in both camps, we won’t be surprised until they tell us to be.

Deutsche Telekom thinking of merging T-Mobile USA with Sprint? originally appeared on Engadget on Tue, 08 Mar 2011 09:31:00 EDT. Please see our terms for use of feeds.

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HP TouchPad emerges from the Vietnamese wilds, sporting SIM slot (video)

We’ve seen the HP TouchPad up close and personal, but only under strict supervision — and now that we find Tinhte has been playing with a prototype for hours on end, you can only imagine our jealousy. Anyways, without those meddlesome PR representatives to keep them from prying at ports, the Vietnamese gadget hounds discovered that the slate has a slot for a SIM card. While we can’t attest to the vintage of this particular prototype — and thus say whether the TouchPad will still have a SIM when it ships — it’s safe to assume that HP was at least considering GSM frequencies at some point during its development. Video after the break.

[Thanks, Nguyen The Bach]

Continue reading HP TouchPad emerges from the Vietnamese wilds, sporting SIM slot (video)

HP TouchPad emerges from the Vietnamese wilds, sporting SIM slot (video) originally appeared on Engadget on Mon, 07 Mar 2011 09:42:00 EDT. Please see our terms for use of feeds.

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AT&T Mobile Hotspot for iPhone 4 limited to just three WiFi devices (update: it’s an iOS 4.3 thing)

Say it ain’t so! According to this here slide, which details a bit of insidery AT&T information about the impending release of iOS 4.3, Ma Bell’s iPhone 4 will have its Personal Hotspot restricted to use with just three devices. Just about every MiFi / mobile hotspot device we’ve ever seen — including Verizon’s iPhone 4 — has supported five WiFi devices, but unless AT&T pulls a 180 here, it’ll be limiting its iPhone to just three connections. What’s wild is that we’ve found AT&T to actually have superior 3G speeds when you can actually get a signal (and thus, be more conducive to tethering five devices at once), and since you’d be on a data cap anyway, it’s not like AT&T risks losing millions from five P2P servers being ran over one’s iPhone. Granted, it’s possible that some unicorn crafted this piece of paperwork to throw us all off, but we’ve reached out to AT&T and are awaiting comment. You know, just in case.

Update: Based on Apple’s iOS 4.3 page, only three WiFi devices are supported through the Personal Hotspot connection. If you’d like to tether five total devices, the other two will need to be over Bluetooth / USB. Don’t go blaming AT&T here — we’re guessing Verizon’s model will be set up the same way. Thanks, Christian!

[Thanks, Anonymous]

AT&T Mobile Hotspot for iPhone 4 limited to just three WiFi devices (update: it’s an iOS 4.3 thing) originally appeared on Engadget on Fri, 04 Mar 2011 14:24:00 EDT. Please see our terms for use of feeds.

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iPad 2 arrives at the FCC

Right on cue, the three radio variants of the iPad 2 — that’s the WiFi A1395, GSM A1396, and CDMA A1397 — have arrived at the FCC’s labs for stringent testing. We’re sure Uncle Sam’s testers will stay on task checking up on RF interference and not just spend their time melting faces with Photo Booth, but we understand the temptation.

[Thanks, Laura]

iPad 2 arrives at the FCC originally appeared on Engadget on Wed, 02 Mar 2011 17:00:00 EDT. Please see our terms for use of feeds.

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Xperia Play goes back to the FCC, this time with GSM (update)

We’re all familiar with this handset by now, but what we weren’t suspecting (although we have yet to finish our first cup of coffee) to see a GSM version of the Xperia Play come through the FCC this sunny Tuesday morning. While we know that Verizon won’t be the sole carrier of the phone in the states (we heard that from Sony Ericsson CTO Jan Uddenfeldt himself), there is yet to be another carrier confirmed. So maybe this is an indication of another possible future? Or, most likely, this is just one of those “north of the border” jobs — as you know, the FCC gets its look at all Canada-bound phones, and this particular phone is exclusive to Rogers. Get a closer look after the break.

Update: Further examination of the docs reveal that this bad boy has global GSM bands and 900 / 2100MHz 3G, which is primarily used in Europe and Asia.

Continue reading Xperia Play goes back to the FCC, this time with GSM (update)

Xperia Play goes back to the FCC, this time with GSM (update) originally appeared on Engadget on Tue, 01 Mar 2011 10:27:00 EDT. Please see our terms for use of feeds.

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Apple details call-related differences between CDMA and GSM iPhones

The only thing conspicuously missing here are the differences that actually count.

Apple details call-related differences between CDMA and GSM iPhones originally appeared on Engadget on Wed, 16 Feb 2011 18:14:00 EDT. Please see our terms for use of feeds.

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Gemalto puts Facebook on a SIM chip, Zuckerberg’s plan for world domination coming along nicely

Smart card guru Gemalto is going to help Mark Zuckerberg take over the world! Ok, not really, but the company has made it possible to put Facebook on just about every GSM phone on earth by running it on a SIM chip. This allows every poke, friend request, and wall post to be transmitted by SMS — meaning no data plan required — so that the non-smartphone crowd can access Facebook on the go too. Gemalto, using only the brightest and most creative marketing minds out there, has named the solution “Facebook for SIM.” Users get a free trial for an undisclosed period of time before a subscription for the service becomes necessary — carriers are positively salivating at the prospect of all that extra SMS traffic lining their already deep pockets, no doubt. We knew that Mark had big plans for putting Facebook on phones, but we didn’t figure that dumbphones would get to join in the social networking fun. Finally, a chicken in every pot and a Facebook phone (or three) in every home.

Gemalto puts Facebook on a SIM chip, Zuckerberg’s plan for world domination coming along nicely originally appeared on Engadget on Wed, 16 Feb 2011 15:58:00 EDT. Please see our terms for use of feeds.

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