May 19, 2022 – dtac, together with Chaipattana Foundation and the National Electronics and Computer Technology Center (NECTEC, under the National Science and Technology Development Agency (NSTDA), announced a major breakthrough in their quest to farm Lingzhi mushrooms in single-digit temperatures (off-season) through 5G networks on 700 MHz spectrum equipped with internet of things (IoT) and machine learning (ML) technology.