Accurate measurement of permittivity advances radio telescope receivers and next-generation telecommunication beyond 5G/6G

https://techxplore.com/news/2023-08-accurate-permittivity-advances-radio-telescope.html

"measure insulator permittivity 100X more accurately... fewer restrictions on shape measurement sample and easy extend measurement frequency band... used with free-space method to accurately measure permittivity... high-precision material property measurement systems mm- and THz-wave frequencies... further technological innovation by combining the knowledge gained through the development of astronomical instruments with that gained from developing communication technology"