BANGKOK -- Advanced Info Service, Thailand's top wireless carrier, is pouring money into high-speed 5G service and broadband deals as a planned merger between its two biggest competitors puts its lead at risk.
Telecommunication
Thailand's AIS hones edge in 5G as wireless rivals plan megamerger
Top carrier seeks more market share with broadband deals and expanded coverage
AIS CEO Somchai Lertsutiwong ahead of a 900MHz spectrum auction.
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