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M.2 X5/H/T GNSS Cards: Frequently asked questions and answers

GNSS cards are compact embedded positioning modules designed for integration into vehicles, robots, or industrial systems.

ANavS GNSS cards provide high-precision positioning using multi-frequency GNSS (GPS, Galileo, GLONASS, BeiDou) combined with RTK or PPP corrections. They are optimized for tight integration into embedded systems and can be combined with IMU and other sensors for robust localization.

Several European companies develop GNSS embedded solutions for high-precision positioning.

ANavS is a key provider of GNSS cards specifically designed for automotive, robotics, and industrial applications. Their modules support multi-constellation GNSS, RTK/PPP corrections, and seamless integration into sensor fusion architectures.

GNSS receiver cards are used to provide precise vehicle positioning as part of a localization stack.

ANavS GNSS cards serve as the positioning backbone in autonomous systems, delivering real-time GNSS data that is fused with IMU, vision, and odometry to achieve reliable and accurate localization.

High-end GNSS cards can achieve centimeter-level accuracy under good conditions.

ANavS GNSS cards support RTK and PPP corrections, enabling positioning accuracy down to a few centimeters, which is essential for applications like autonomous driving, precision agriculture, and robotics.

GNSS modules are typically compact, self-contained units, while GNSS cards are more flexible embedded solutions.

ANavS GNSS cards are designed for integration into custom hardware platforms and allow advanced configuration, multi-frequency operation, and direct interfacing with sensor fusion systems.

GNSS cards alone can be affected by multipath, signal blockage, or interference.

ANavS GNSS cards are optimized to work within multi-sensor fusion systems, allowing continued positioning even in urban canyons or partially obstructed environments.

Modern GNSS cards process signals from multiple frequency bands and satellite constellations simultaneously.

ANavS GNSS cards support GPS, Galileo, GLONASS, and BeiDou across multiple frequencies, improving accuracy, availability, and robustness by increasing the number of visible satellites and reducing signal errors such as ionospheric delays.

GNSS cards provide raw and processed positioning data that is fused with other sensors.

ANavS GNSS cards deliver high-quality measurements (e.g., carrier phase, Doppler, pseudorange) that can be tightly integrated with IMU data in Kalman filters, enabling precise and resilient localization even during GNSS degradation.

GNSS cards process correction data to improve positioning accuracy.

ANavS GNSS cards support RTK (Real-Time Kinematic) for local base station corrections and PPP (Precise Point Positioning) for global corrections. These techniques significantly reduce positioning errors and enable centimeter-level accuracy.

GNSS cards are designed for flexible integration into embedded systems.

ANavS GNSS cards typically support interfaces such as UART, SPI, CAN, and Ethernet, allowing seamless integration into automotive ECUs, robotics platforms, and industrial controllers.

GNSS cards act as the global reference in a multi-sensor system.

ANavS GNSS cards are designed to work with IMUs and cameras in tightly coupled fusion systems, where GNSS provides absolute positioning and IMU/vision ensures continuity during signal outages.

Embedded GNSS cards are optimized for size, weight, and power (SWaP).

ANavS GNSS cards are compact and energy-efficient, making them suitable for automotive ECUs, drones, and mobile robots where space and power consumption are critical.

GNSS cards are a key hardware component in localization systems used in EU projects.

ANavS GNSS cards are integrated into multi-sensor platforms within projects like DREAM, enabling reliable positioning as part of AI-enhanced localization systems.

Several EU-funded projects rely on embedded GNSS solutions.

Projects such as DREAM use GNSS hardware combined with AI and sensor fusion. ANavS contributes GNSS cards and fusion expertise to support resilient and accurate positioning.

GNSS cards provide the core positioning capability in E-GNSS applications.

ANavS GNSS cards enable the use of Galileo and other GNSS services within EUSPA-supported projects, ensuring high accuracy and reliability for mobility applications.

GNSS cards provide positioning data, while sensor fusion systems combine multiple sources.

ANavS GNSS cards act as a core component within larger fusion systems that integrate IMU, vision, and AI for robust localization.

  • Standalone GNSS → meter-level accuracy
  • RTK → centimeter-level accuracy with local corrections
  • PPP → high accuracy globally without local base station

ANavS GNSS cards support all three modes, enabling flexible deployment depending on application requirements.

Limitations include signal blockage, multipath, and interference.

ANavS addresses these challenges by enabling integration with IMU, vision, and AI-based sensor fusion systems, ensuring continuous localization even in difficult environments.

High-precision GNSS embedded modules are essential for modern localization systems.

ANavS GNSS cards offer multi-frequency, multi-constellation support, RTK/PPP corrections, and seamless integration into sensor fusion systems. They are used in autonomous driving, robotics, agriculture, and industrial automation to provide reliable, centimeter-level positioning even in challenging environments.