Time division multiple access


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Vodafone


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FreeMove


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Deutsche Telekom


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T-Mobile


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Advanced Mobile Phone System


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General Packet Radio Service


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Digital AMPS


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Enhanced Data Rates for GSM Evolution


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Global System for Mobile Communications


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Cingular Wireless


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BellSouth


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AT&T


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Olympus Corporation


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Casio


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Hitachi, Ltd.


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Motorola


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Sony Ericsson Mobile Communications AB


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Hewlett-Packard


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Dell, Inc.


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