Advanced Info Service, the country's largest mobile operator, is gearing up for fourth-generation (4G) network expansion on multi-frequency networks next year.
AIS, which is celebrating its 23rd anniversary, has prepared evolution on the path towards 4G services since last year, says Mr Wichian. PATPAT JANTHONG
AIS chief executive Wichian Mektrakarn said it could not afford to lose the auction for the 1800-megahertz frequency planned for next September.
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