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Home › Method for changing over to different frequency at cellular phone system and cellular phone system using the method and base station controlling apparatus in the system and mobile communication terminal in the system

Method for changing over to different frequency at cellular phone system and cellular phone system using the method and base station controlling apparatus in the system and mobile communication terminal in the system

US Patent 7027816 · Granted Apr 11, 2006

Estimated economic value: $34,000 ⓘ

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