Cellular News notes that Thai mobile operator, Total Access Communication (DTAC), has announced the start of a trial of a 3G network operating in the 900Mhz spectrum band. In the initial part of the trial, the trial area will cover Chulalongkorn University, Pantip Plaza and MBK shopping centers, Siam Square, Sam Yan, and Chamchuri Square. Later the coverage area will be expanded to other areas in Bangkok.