<page_title> LTE Advanced </page_title> <section_title> First technology demonstrations and field trials </section_title> <table> <cell> The operator launched the first 4.5G on LTE-U/LAA network in Bangkok with the combination of 1800 MHz spectrum and 2100 MHz spectrum using Carrier Aggregation (CA), 4x4 MIMO, DL256QAM/UL64QAM and the use of LTE-Unlicensed (LTE-U) to facilitate high-speed network. <col_header> Note </col_header> </cell> </table>
LTE Advanced included use of 256-QAM.