They're also used widely in cellular base stations, Internet routers and high-performance data-networking switches.

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Other major themes at the show, judging from pre-CTIA email pitches, include cloud-based services that will store media and stream it to multiple devices, mobile video editing tools, easy ways to monitor data usage and ever-smaller cellular base stations.

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Huawei now commands a premium for some of its higher-end cellular network base-stations that combine old and new networks in one small unit, the executives said.

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The problem with femtocells until now, Cooper noted, has been interference between local base stations and faraway cellular towers when the two sources broadcast to a phone simultaneously.

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