Dynabook Tecra PT573C-07U023 Sierra LTE Modem Driver 6.36.4824.0604 for Windows 10 64-bit Sep 28, 2021
... package contains the files needed for installing the LTE Modem driver. If it has been installed, updating (overwrite-installing) may fix problems, add new functions, or expand existing ones. Even though other OSes might be compatible as well, we do not recommend applying this release on platforms other than the ones ...