Small and portable: Small in size, easy to carry and install, and suitable for various scene needs, such as vehicle positioning and scheduling system, can also be used for outdoor exploration, travel, hiking and other activities, providing accurate location information, ensuring safety and convenient navigation. Low power consumption: Adopting energy-saving with low power consumption characteristics, it not only prolongs battery life but also reduces usage cost. High sensitivity: Adopting advanced reception technology, it has high sensitivity and can quickly obtain positioning signals in complex environments. Double modes modules: This modules integrates and double modes positioning technology, with the advantages of a double positioning system, providing more accurate and stable positioning services. Stable and Adopts quality components and stable hardware to long-term stable suitable for various working environments.