The RFF700P-1IW-DBG is a Global Navigation Satellite System (GNSS) module from Raystar. It is based on the ARM Cortex-M3 processor and is designed for precise navigation and timing applications. The module supports GPS and GLONASS satellite constellations and provides a wide range of features including fast-position acquisition, data logging, precise timing, firmware upgrade over-the-air, and an RTC with temperature-compensated oscillator. It also supports various communication interfaces such as SPI, UART, and USB. The module is IP67 rated, making it suitable for outdoor applications.