The RFM95PW-915S2 is a wireless transceiver module from Hope Microelectronics, designed for long-range, low-power communications in the 915MHz frequency band. It supports various modulation protocols, including FSK, GFSK, GMSK, LoRa, MSK, and OOK. The module has a maximum output power of 22 dBm and a receiver sensitivity of -148 dBm at SF12. It has a maximum communication range of 5 km and a baud rate of up to 300 kbps. The module utilizes a SPI interface for configuration and is particularly suitable for low-power IoT applications.