The Beitian Differential RTK GPS GNSS Module (BT-M002C) is an advanced positioning module designed for high-precision navigation and positioning applications. Equipped with cutting-edge technology, including a built-in compass and support for L1 L5 dual-frequency signals, this module offers accurate and reliable positioning capabilities. The built-in compass enhances the module's functionality by providing magnetic heading information, allowing for precise orientation determination in addition to GPS-based positioning. This feature is especially useful in applications such as robotics, unmanned vehicles, precision agriculture, and surveying. The module's GNSS capabilities utilize both L1 and L5 frequencies, which enables it to take advantage of the increased accuracy and improved performance offered by the L5 band. This dual-frequency capability ensures superior positioning accuracy, even in challenging environments with obstructions or signal interference. The Beitian Differential RTK GPS GNSS Module supports Real-Time Kinematic (RTK) technology, which enhances positioning accuracy by providing centimeter-level precision. With RTK, users can achieve highly accurate positioning results for applications that require utmost precision, such as precision farming, construction, and geodetic surveying. Designed with versatility in mind, the module supports a wide range of communication interfaces, including UART, I2C, and USB. This enables seamless integration into various systems and platforms, making it suitable for integration into drones, autonomous vehicles, navigation systems, and other location-based applications. The module is compact in size and operates efficiently with low power consumption, making it suitable for deployment in battery-powered devices or applications where space is limited. In summary, the Beitian Differential RTK GPS GNSS Module (BT-M002C) is a high-performance positioning module that combines advanced GNSS technology, a built-in compass, and RTK capability. With its accurate and reliable positioning, compatibility with multiple communication interfaces, and compact form factor, this module is an ideal choice for applications that require precise navigation and positioning capabilities.