The ST25R3917-AQWT Sub-GHz Modules with Memory manufactured by STMicroelectronics is a flexible, integrated solution for long-range communication for industrial applications. This device combines a ST25R3916 RF Transceiver, a ST25 SRAM memory for storing data, and an I2C interface to enable flexible configuration and control of all features. The device is a highly integrated Sub-GHz transceiver that supports a wide range of protocols such as O-QPSK, GFSK, DSSS, and 4-FSK. It also supports Bluetooth Low Energy (BLE) communications. The module has various built-in features such as an antenna diversity, an on-chip power amplifier, temperature monitoring, adjustable output power, and message encryption. The module is powered by a supply voltage of 1.8V to 3.3V. The device is designed to be highly reliable and is designed with industrial certifications such as UL, CE, and FCC Class B.