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NVIDIA's Tegra 4i appeared in February boasting, amongst other things, its built-in Cat. 3 LTE modem capable of speeds as high as 100Mbps. What NVIDIA didn't make obvious at the time was that the i500 modem, the fruit of its Icera acquisition, had the processing grunt to enable a software modem update to boost its speed to Cat. 4 LTE (150Mbps.) We had a quick visit with NVIDIA and saw a "perfect world demo" (pic above) of the device being bombarded at 150Mbps as well as placing an actual call on AT&T's network and streaming video. Of course LTE-Advanced doesn't exist in the real world yet, nor does a real handset sporting this chip, though seeing another player battling incumbent Qualcomm in this space before these networks have even been lit up certainly warms our hearts. Check the PR text for all the nitty gritty details after the break.

Brad Molen contributed to this report.

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Foursquare for Windows Phone keeps getting better and better. And now Lumia owners will have something else to brag about (besides the stunning design, that is). Nokia devices are being granted access to a small set of exclusive features in the latest Foursquare update. The marquee addition is a new augmented reality view that puts venue information right in your live camera view. All you have to do is tap the camera icon at the top of the map screen. The AR will probably make it somewhat easier to find your mark, and you can always turn to the recently added NFC support for super simple check-ins. Not having an exclusive feature or two is hardly a deal breaker, but it's bound to make non-Lumia Windows Phone fans more than a little jealous.

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Kyocera kitted us out with toques, touch-sensitive gloves and giant black faux-fur coats -- well, Brad chose white -- and led us all into a bar made entirely of ice to launch its new handsets here at CTIA. Kyocera, playing off the tough-guy thing, had the Hydro Xtrm and Edge laid out on slabs of ice in a pretty frosty environment for us to handle with our gloved hands. Both handsets will be priced toward the lower end of the spectrum, with the Hydro Edge being the least expensive and most modestly specced of the two. Both devices are decent as far as material choices go, though the Edge was perhaps our favorite even if the Xtrm beats it out in the display department somehow. There weren't any water tanks to test out both sets IPX5 / IPX7 specs so we'll simply have to take Kyocera's word for it.

The Edge and Xtrm build on the previously launched Hydro specs but with upgrades across the board. The Edge sports a dual-core 1Ghz CPU, tempered glass (instead of acrylic), 5-megapixel camera, 4-inch WVGA (480 X 800) 233-ppi display and Android Jelly Bean. The Xtrm adds LTE to the connectivity list also touts a 5-megapixel shooter, 1.3-megapixel front-facing camera, the same display as the Edge, and Bluetooth 4. The Xtrm launches on US Cellular May 24th for $29.99 after instant rebate with the Edge joining the fun on Boost Mobile and Sprint during "Summer 2013." Check out the cool blue-hued pics in the gallery below.

Myriam Joire and Brad Molen contributed to this report.

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Sharp has just introduced a couple of high-end TVs if you're rich enough to be seeking an UltraHD set and lucky enough to live in Japan: the 70-inch LC-70UD1 and the 60-inch LC-60UD1, part of the new 4K Aquos UD1 series. Each will feature Sharp's 4K "Moth-eye" panel, Aquos 4K-Master Engine Pro HD upconversion engine, 2.1 channel THX surround and 3D capability. The 70-inch model will run 850,000 yen ($8,290) and launch on June 15th, while the 60-inch set will arrive August 10th for 650,000 yen ($6,335). There's no word yet on a stateside arrival, but based on what Sharp said at CES 2013 in January, it may join a 32-inch 4K Aquos model sometime later this year.

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For the first time ever, a production-grade Lockheed Martin F-35B Lightning II has performed a vertical takeoff (VTO) maneuver, followed by a short hover at low altitude and vertical landing. Though the US Marines had required such a function from the outset of the program (which has already been performed by prototype F-35Bs) it can only be used for very short jaunts. That's because the $300 million jet, like the Harrier before it, can't carry any armaments or much fuel in such a configuration -- meaning almost all of its takeoff and landings will be of the non-vertical, short variety instead. Meanwhile, the Air Force said it'll deploy the F-35A variant a year earlier than predicted in mid-2016, according to Reuters, giving the much beleaguered program a double-shot of good news. Head after the break to catch the rather dramatic video.

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