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Wireless carriers unveil gadgets ; Verizon shows off 10 devices, no iPhone

This year, the big national wireless carriers will be racing to stake their claims in the new frontier of service: ultra-fast data access -- for smart phones and laptops as well as for gadgets like tablets.

The companies are boosting their wireless data speeds and revving up the marketing hype. They're moving away from talking about call quality and coverage, and focusing on data speeds: megabits in place of minutes. Consumers will benefit from faster service and cooler gadgets. Yet some of the marketing campaigns seem designed to confuse consumers about the gadgets' speed.

At the International Consumer Electronics Show in Las Vegas this week, Verizon Wireless revealed the 10 gadgets with built-in access to its new high-speed wireless data network, including smart phones, tablets and laptops. Some are to launch as early as March.

Along with Sprint Nextel Corp.'s subsidiary Clearwire Corp., Verizon is at the forefront of the move to a new network technology, designed to relay data rather than calls. Verizon's fourth-generation, or "4G" network, went live for laptop modems in last month.

The new wireless network is the nation's fastest. Verizon is hoping to cash in on that advantage by selling tablets and smart phones that devour data.

One of the devices, Motorola Mobility Inc.'s Xoom tablet, will come with a 10.1-inch screen and two cameras: one for video chatting, the other for high-definition videos. The Xoom will begin selling by March. Initially, it will work with Verizon's 3G network but will be upgradeable to work on the speedier 4G network.

Motorola's Droid Bionic smart phone also will have two cameras, to help with videoconferencing, a data-hungry task.

LG Electronics Inc., Samsung Electronics Co. and HTC Corp. will bring out similar phones for the network. Hewlett-Packard Co. will add 4G capability to a laptop and a netbook.

Two "mobile hotspot" devices -- small battery-powered bricks that act as Wi-Fi access points -- will allow Wi-Fi-equipped computers to connect to the 4G network.

"By deciding to go early and go first to [4G], we sent a signal to the entire consumer electronics market that this technology would develop very quickly," Lowell McAdam, Verizon's president and chief operating officer, said Thursday in a keynote address at the trade show.

According to speculation, Verizon also will get to sell a version of Apple Inc.'s iPhone this year. That would break AT&T Inc.'s exclusive hold on the most popular smart phone. But an iPhone from Verizon was not announced at Thursday's events.

With or without the iPhone, Verizon's new network is pressuring its competitors to step up their offerings. AT&T Inc. said Wednesday it would launch its own 4G network this summer. It also said it will start calling its current 3G network "4G," since it has been upgraded to be capable of nearly 4G speeds.

T-Mobile USA said Thursday that it will upgrade its 3G network to double the possible download speeds in two-thirds of its coverage area. It started calling the network "4G" in ads last fall.

Sprint and Clearwire have chosen a slightly different route to 4G. They've picked a 4G technology called WiMax that was ready before Long Term Evolution, or LTE, which Verizon is using.

Now, however, WiMax looks set to be a niche technology, while the rest of the industry adopts LTE. That will hamper Sprint's efforts to get competitive devices for the network.

Still, it was able to launch its first 4G phone last summer, ahead of the competition. Wednesday, it announced it would be the first to carry a 4G tablet computer from Research in Motion Ltd., the maker of the BlackBerry, some time this summer.

4G technologies like LTE and WiMax are designed specifically to carry data rather than phone calls. That makes them more efficient in serving today's smart phones, tablets and other gadgets that need data access on the go.

They're faster than today's 3G networks, though not by much, which makes T-Mobile and AT&T feel justified in calling their upgraded 3G networks "4G." After all, they say, speed is what really matters to users.

Aside from the bump in speed, the LTE buildouts of Verizon Wireless and AT&T are significant mainly because they add fresh spectrum to the nation's wireless networks. That means more capacity. Also, both companies are using spectrum previously used for UHF TV channels, a prime piece of the airwaves. It can cover wide areas easily and penetrate deep into buildings. (Clearwire's WiMax network uses a frequency that has shorter range and more difficulty penetrating buildings.)

Future upgrades can further boost the speed of wireless networks. But at some point, they will run out of room for improvement. When that happens, two ways still will be available to add capacity to wireless broadband.

The government can assign more spectrum, perhaps by taking it from TV stations. But spectrum, too, will run out. The carriers can add more cell towers, but that's expensive and difficult. They can't put cell towers everywhere they would like.

Given these limiting factors, wireless broadband isn't likely to replace wired connections for home broadband, except possibly in rural areas where installing cables for high-speed connections to homes is expensive.

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