STSW-ST25RU001 software comprises of the ST25RU3993 GUI (Graphical User Interface), which is a PC based application for Windows® platform. It allows connecting to the ST25RU3993-EVAL board by an USB/UART bridge and controls the firmware running on the STM32L4 microcontroller. The ST25RU3993 GUI allows full control and low level access to the ST25RU3993 RAIN® Reader device and is designed to demonstrate its main functionalities and features. The ST25RU3993 GUI controls scanning for RAIN® tags and displays relevant tag information such as EPC tag, number of found tags, tag’s reads per second, tag RSSI and more. Additionally the ST25RU3993 GUI provides tag access functionality to read and write EPC, user memory and access and kill passwords.