High-precision GNSS/INS integrated inertial navigation system LPMS-NAV3

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LPMS-NAV3 (NAV3-TTL/NAV3-RS232/RS422/RS485) / LP-RESEARCH

last updated：May 07, 2026

LP-RESEARCH

Official site

RTK-compatible centimeter-level positioning. Highly integrates GNSS and IMU to provide uninterrupted position and attitude information even in obstructed environments.

"Achieving Ultimate Navigation through the Fusion of GNSS and Inertial Sensors" The LPMS-NAV3 is a state-of-the-art inertial navigation system (GNSS/INS) that integrates a multi-band GNSS receiver and a high-precision 6-axis IMU. - High-precision positioning and heading measurement with RTK support It supports RTK (Real-Time Kinematic) correction, achieving centimeter-level positioning accuracy. Additionally, with dual antenna support, it can output accurate "heading" even during low-speed travel or when stationary. - Stable navigation even in tunnels and building shadows (Dead Reckoning) Even in tunnels where GNSS signals are blocked or in urban areas with building shadows, advanced dead reckoning technology using the built-in IMU supplements the position information. This minimizes interruptions in positioning and enables continuous tracking of vehicles and robots. - Ideal for industrial robots and autonomous driving development (ROS/ROS2 compatible) It features a robust IP67 waterproof housing. It officially supports Linux and ROS/ROS2 drivers, significantly contributing to shortening development time as a main sensor for autonomous robots and self-driving vehicles.

Related Link - https://www.lp-research.com/ja/product/inertial-me…

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basic information

【Navigation Performance】 - Positioning Accuracy: When using RTK: Horizontal approximately 1cm / Vertical approximately 1.5cm - Heading Accuracy: 0.2° (when antenna spacing is 1m) - Output Items: Latitude, Longitude, Altitude, Speed, Attitude Angles (Roll, Pitch, Yaw) - Maximum Output Rate: 100Hz (INS fused data) 【Physical and Communication Specifications】 - Interface: USB / RS232 / CAN - Protection Rating: IP67 (Waterproof and Dustproof) - Operating Temperature: -40℃ to +85℃ - GNSS Reception: Supports GPS, GLONASS, Galileo, BeiDou, QZSS (Michibiki) 【Development Environment】 - Supported OS: Windows, Linux (Ubuntu) - API: C++, Python, ROS/ROS2 compatible driver provided

Price information

The amount will vary depending on the quantity, so please contact us if you need more than 50 pieces.

Price range

Delivery Time

※Typically, if the items are in stock, delivery can be made approximately 3 to 10 days after the order is confirmed. If a specific type of interface or special customization is required, the delivery time may vary. If you are in a hurry or would like to discuss volume discounts, please feel free to contact us through the "Contact Us" section.

Applications/Examples of results

LPMS-NAV3 can be implemented in fields where accurate position and posture information is required in environments with unstable GPS signals. 【Main Use Cases】 - Autonomous driving and self-driving development: Autonomous driving systems for passenger cars and buses, position compensation during GNSS signal interruption. - Automated guided vehicles (outdoor AMR): Autonomous navigation of delivery robots and security robots across outdoor and indoor environments. - Automation of construction and civil engineering machinery: Precise position management of construction machinery and posture control of blades in ICT construction. - Precision agriculture: Automatic steering and mapping of tractors and agricultural machinery, accurate position correction on slopes. - Mapping and infrastructure inspection: Acquisition of reference position and posture data for MMS (Mobile Mapping Systems). - Marine and survey vehicles: Tracking and behavior analysis of moving bodies in harsh environments.