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Unicore releases dual-antenna RTK module, the UM982

Photo: Unicore

Photo: Unicore

Unicore has released its new generation of GNSS positioning product, the UM982. The UM982 is a high-precision dual-antenna real-time kinematic (RTK) positioning and heading module supporting all constellations and all frequencies.

The UM982 is suitable for use in UAV, precision agriculture and autonomous machine applications. The module is designed to meet the requirements of  these markets, providing technological innovation. The module supports BDS B1I/B2I/B3I, GPS L1/L2/L5, GLONASS L1/L2, Galileo E1/E5a/E5b, QZSS L1/L2/L5 and SBAS in dual-antenna mode. It offers the following advantages.

Small size. The UM982 is highly integrated. With its size of 16.0 × 21.0 × 2.6 mm, it is a compact dual-antenna heading modules that reduces the design area of the customer’s board by 72% compared to previous modules.

Low power consumption. Low power consumption means less energy usage and a better application experience. Lowering the power consumption while keeping performance high is one of the key technical research directions of the GNSS positioning modules. The average power consumption of all versions of the UM982 module is less than 0.6 W, which is suitable for applications that require low power consumption, such as UAVs.

High integration. The UM982 was developed on the basis of NebulasIV, Unicore’s proprietary GNSS system on chip (SoC). NebulasIV integrates RF, baseband and high-precision algorithms on a single chip, with built-in functions providing powerful support for the UM982’s high performance.

High precision and high performance. The GNSS SoC is a key part of the navigation system, and the performance of the chip largely determines the performance of positioning modules. High-level performance indicators include raw observation accuracy, RTK positioning accuracy, PPP positioning accuracy, and time to first fix.

Robustness. Using the company’s dual-RTK technology, the UM982’s two antennas can independently participate in deriving an RTK solution and outputting the positioning results. This is convenient for customers conducting reliable verification in various application scenarios. By checking the RTK positioning results of both antennas, abnormal measurements in complex scenarios can be avoided.

High reliability. A built-in, advanced anti-jamming unit provides the UM982 with strong anti-jamming ability. The module detects jamming and can output the jamming strength. It also supports digital encryption to ensure the security of data transmission, and supports multi-frequency independent acquisition and tracking to ensure the reliability and accuracy of positioning results even in complex electromagnetic environments.

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