Total Access Communication (DTAC) will press ahead with the launch of its third-generation wireless broadband service in Bangkok this week as planned, despite a possible legal threat from its concession owner CAT Telecom.

DTAC has about a million subscribers with 3G-850-megahertz mobile phones, of whom about 400,000 are in Bangkok. It believes it has to debut the service now or it might lose premium subscribers to competitors Real Move and Advanced Info Service, which launched full 3G services last month.

Read more: The Nation