The RC1202A-BIY-ESV is a high-performance, single-chip GNSS receiver from Raystar. It is designed to provide consumers with accurate position, navigation, and timing information from GPS and GNSS constellations. This chip has a 32-bit ARM-Cortex low-power processor, 256 kB of internal RAM, and 1 MB of internal flash memory, allowing it to provide higher-end features without compromising performance. It features RTK (real-time kinematic) and autonomous positioning, making it suitable for various navigation applications like asset tracking, fleet management, and industrial applications. The RC1202A-BIY-ESV comes with a wide range of connectivity options including I2C, SPI, USB, and RS-232. It also supports a variety of GNSS constellations, such as GPS, GLONASS, BeiDou, Galileo, and QZSS.