Bynav M21D GNSS+INS RTK Module with Dual Antenna – Precision for Drones and Robotics

• ✔ Unrivaled accuracy thanks to RTK technology
• ✔ Integrated GNSS+INS system for robust navigation
• ✔ Dual antenna for stable and reliable direction finding
• ✔ Advanced anti-interference protection
• ✔ Support for multiple satellite constellations including BDS-3 PPP
• ✔ Ideal solution for drones, autonomous robots and industrial applications
• ✔ Fast and reliable position initialization

Introducing the Bynav M21D, a cutting-edge dual-antenna GNSS+INS module designed for applications requiring the highest accuracy and reliability in positioning and navigation. This compact yet powerful system brings revolutionary capabilities to the world of robotics, drones, and autonomous devices.

✨ What can this module do?

• GNSS+INS fusion: The combination of a global navigation satellite system (GNSS) and an inertial navigation system (INS) provides stable and continuous position, velocity and orientation data, even in challenging conditions.
• Dual Antenna: The dual antenna architecture ensures reliable heading even at zero or very low speeds, which is key for precise maneuvering.
• RTK technology: Real-Time Kinematic (RTK) correction enables centimeter-level positioning accuracy in real time, which is essential for autonomous operations.
• Anti-interference: Special design and algorithms protect the module from interference, ensuring robust performance even in environments with high levels of electromagnetic noise.
• Broad constellation support: The module supports major global satellite systems, including BDS-3 PPP (B11, B21, B1C, B2b), GPS, GLONASS, Galileo, and QZSS.

🔍 Explore every detail

The Bynav M21D is more than just a GPS module. It is a comprehensive navigation solution that integrates the latest advances in satellite technology and inertial navigation. This synergistic combination enables unprecedented levels of accuracy and reliability, which are absolutely essential for modern autonomous systems.

Its robust design and advanced anti-interference features ensure your device stays on track even in the most challenging environments where conventional GNSS modules would fail. From agricultural drones to industrial robotics to research platforms, the Bynav M21D is ready to take your projects to a new level of accuracy.

⚠️ Are you worried about navigation uncertainty?

Are you concerned about inaccurate positioning of your drones or robotic systems? Are you experiencing signal loss issues in challenging terrain or near interference? Standard GPS modules are often insufficient for applications where centimeter-level accuracy and unwavering reliability are critical. Problems with position drift, slow initialization, or loss of orientation can lead to costly errors and compromise the safety of your operations.

🚀 Get confidence and reliability with Bynav M21D!

The Bynav M21D is designed to eliminate these problems. With a fusion of GNSS and INS, along with RTK corrections and a dual antenna, the module provides continuous, highly accurate navigation information. No more worrying about inaccurate data or signal loss. Get the peace of mind that comes with knowing your systems are always exactly where they need to be.

✅ More than just features, real benefits

• Feature: Integrated GNSS+INS system -> Benefit: Provides robust and uninterrupted navigation even in environments with partial loss of satellite signal.
• Feature: RTK technology for real-time corrections -> Benefit: Achieving centimeter-level positioning accuracy, key for autonomous operations and precise mapping.
• Function: Dual antenna -> Benefit: Ensures reliable direction (course) determination even without movement, which increases the safety and efficiency of maneuvering.
• Feature: Advanced anti-interference protection -> Benefit: Allows stable operation even in areas with high interference, minimizing the risk of errors.
• Feature: Support for BDS-3 PPP and other constellations -> Benefit: Increases signal availability and global coverage, leading to higher reliability and faster initialization.

🎯 For whom is the Bynav M21D the ideal choice?

• Drone and UAV developers: For precision agriculture, inspection, mapping, and delivery services.
• Robotics and autonomous systems integrators: For guiding mobile robots, AMR (Autonomous Mobile Robots) and other autonomous platforms in industry and logistics.
• GIS and geodetic applications: For collecting high-precision geodata and georeferencing.
• Industrial Automation: For systems requiring absolute position and orientation accuracy.

🛡️ Do you have concerns? We'll answer them

• Concern: Will the installation be complicated due to the dual antenna? -> Answer: The module is designed with integration in mind. Although it requires two antennas, the wiring is standard for such systems and the manufacturer provides all the necessary documentation.
• Concern: How will the module cope in a noisy environment? -> Answer: Thanks to advanced anti-interference technology, the Bynav M21D is significantly more resistant to interference than conventional GNSS modules, ensuring consistent performance.
• Concern: Is RTK functionality reliable and available everywhere? -> Answer: RTK accuracy depends on the availability of correction data (e.g. from a reference station or network service). The module is ready to use this technology wherever corrections are available, and without them it works as a high-precision standard GNSS/INS system.

⚙️ Technical specifications

Parameter	Value
Model	Bynav M21D
System type	GNSS+INS navigation module
Antenna configuration	Dual antenna
Key technologies	RTK, Anti-interference, Integrated inertial unit
Supported satellite systems	BDS-3 PPP (B11, B21, B1C, B2b), GPS, GLONASS, Galileo, QZSS
Position accuracy (RTK)	Centimeter level
Application	Drones, UAVs, robotics, autonomous vehicles, industrial applications

❓ Frequently Asked Questions

What does the abbreviation GNSS+INS mean?

GNSS (Global Navigation Satellite System) provides positioning using satellites, while INS (Inertial Navigation System) uses accelerometers and gyroscopes to measure motion and orientation. Their fusion provides highly accurate and stable navigation data even in the event of a short-term loss of satellite signal.

What is the advantage of a dual antenna?

The dual antenna allows the module to determine the exact direction (course) of the device even at rest or at very low speed, which is crucial for applications requiring precise orientation independent of movement.

What is RTK and why is it important?

RTK (Real-Time Kinematic) is a technology that uses correction data from a reference station to dramatically increase the accuracy of GNSS positioning to the centimeter level. It is essential for autonomous navigation, precision agriculture, and surveying.

In what applications is the Bynav M21D most often used?

The module is ideal for drones and UAVs for mapping and inspection, autonomous mobile robots in industry and logistics, precision guidance of agricultural machinery, and other applications where high position and orientation accuracy is critical.

Is the module resistant to interference?

Yes, the Bynav M21D is equipped with advanced anti-interference mechanisms that ensure its stable and reliable operation even in environments with high levels of electromagnetic interference.

Which satellite systems does the module support?

The module supports a wide range of global satellite systems, including BDS-3 PPP (B11, B21, B1C, B2b), GPS, GLONASS, Galileo and QZSS, ensuring maximum signal availability and global coverage.