The ARS690R is a next-generation Integrated GNSS/INS Fusion Navigation System engineered for industries demanding uncompromising precision. By fusing multi-constellation RTK signals, dual-antenna heading correction, and high-frequency inertial data, it delivers continuous centimeter-level accuracy—even in urban canyons, tunnels, or dense foliage.

Precision Engineered for Critical Applications:
- RTK-Enhanced Positioning: Leveraging full-frequency BDS, GPS, Galileo, GLONASS, and QZSS signals, the ARS690R performs real-time kinematic corrections to achieve 0.8 cm horizontal / 1.5 cm vertical accuracy—ideal for autonomous vehicles, precision agriculture, and aerial surveying.
- Dual-Antenna Heading Optimization: Dual GNSS antennas provide 0.05° static heading accuracy, eliminating reliance on magnetic sensors and ensuring reliability in electromagnetic interference (EMI)-heavy environments.
- Seamless Inertial Navigation: When GNSS signals degrade, the system transitions to 200 Hz IMU-driven navigation, aided by vehicle kinematics and proprietary divergence suppression algorithms. With odometry fusion, positional drift is reduced to <0.2% over 1 km—10x tighter than conventional GNSS-only systems.
- Tightly Coupled Fusion Architecture: Deep integration of satellite, inertial, and odometry data through adaptive Kalman filtering ensures sub-decimeter accuracy during rapid acceleration, sharp turns, or signal outages.
Why Choose the ARS690R?
- Robust Redundancy: Dual antennas and multi-source fusion guard against single-point failures.
- High Dynamic Performance: 500 Hz output frequency and CAN FD support meet the latency demands of autonomous driving and robotics.
- Post-Processing Flexibility: Raw data logging enables centimeter-accurate trajectory reconstruction for mapping and forensic analysis.
For drones, AGVs, or industrial machinery operating in GPS-hostile environments, the ARS690R sets the benchmark for always-accurate navigation.
Application field
- Autonomous Vehicles: Lane-level navigation for self-driving cars; obstacle detection in urban canyons.
- Agriculture & Precision Farming: Autonomous tractor guidance; crop health mapping via drone integration.
- Construction & Heavy Machinery: Grade control for excavators; crane/swing-arm anti-collision systems.
- Marine & Offshore: Offshore platform navigation; underwater ROV positioning.
- Drones & Aerial Surveying: Centimeter-accurate LiDAR/Photogrammetry for 3D mapping.
- Geospatial & Infrastructure: Bridge deformation monitoring; railway track alignment.

Products specification:
