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Bynav M22 GNSS RTK INS Module for Autonomous Navigation

Model: TX-AK734

TOXU TX-AK734 is a high-performance GNSS RTK INS receiver module based on the Bynav M22 chipset, designed for autonomous navigation systems requiring high reliability, positioning continuity, and advanced integration capability.

Bynav M22 GNSS Chipset: Supports multi-band GNSS signals with L1, L2, L5 and E6 frequency bands for reliable positioning performance.

Dual Inertial Navigation System: Integrates dual INS system to improve positioning stability during short GNSS signal interruptions.

RTK Positioning Capability: Supports external RTK correction data with centimeter-level positioning performance for professional applications.

RAW Carrier Phase Output: Supports RAWX carrier phase output for advanced positioning algorithms and system integration.

Safety-Critical Applications: Supports ASIL B functional safety level for autonomous driving and high-reliability navigation systems.

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Product Description



Overview


The TOXU TX-AK734 is a high-performance multi-band GNSS RTK INS receiver module based on the Bynav M22 chipset, designed for applications requiring high reliability, positioning continuity, and advanced navigation capability.

The module supports multi-constellation GNSS signals including GPS, BDS, GLONASS, Galileo, QZSS, NavIC and SBAS across L1, L2, L5 and E6 frequency bands, providing stable positioning performance in complex environments.

With integrated dual inertial navigation system, RTK correction support, and RAWX carrier phase output, TX-AK734 improves positioning stability during short GNSS signal interruptions and is suitable for autonomous driving platforms, robotics, surveying equipment, and precision agriculture systems.



Key Features


Bynav M22 GNSS Chipset

Based on the Bynav M22 multi-band GNSS chipset with high-reliability positioning capability for advanced navigation applications.

Dual Inertial Navigation System

Integrates dual INS system to maintain positioning continuity and improve navigation stability during temporary GNSS signal loss.

Multi-Band GNSS Support

Supports L1, L2, L5 and E6 frequency bands with multiple satellite constellations for reliable positioning.

RTK Positioning Support

Supports RTK positioning through external correction data for high-accuracy navigation applications.

RAWX Carrier Phase Output

Provides RAWX carrier phase output for advanced GNSS algorithms and system integration.

ASIL B Functional Safety

Supports ASIL B functional safety level for applications requiring enhanced reliability.



Technical Specifications


ModelTX-AK734
Product TypeGNSS RTK INS Receiver Module
GNSS ChipsetBynav M22
GNSS BandsL1 / L2 / L5 / E6
Supported ConstellationsGPS, BDS, GLONASS, Galileo, QZSS, NavIC, SBAS
Receiving Channels1507 Channels
Positioning AccuracySingle Point: 1.5 m; RTK: 0.01 m + 1 ppm
Correction MethodRTK via External Correction Data
Carrier Phase OutputSupported, RAWX Statements
Update RateDefault 1 Hz, Configurable 0.25 Hz - 10 Hz
Communication InterfaceTTL
Output ProtocolNMEA0183, RTCM 3.3
Cold Start Time30 s
Warm Start Time5 s
Re-acquisition Time≤1 s
Velocity Accuracy0.03 m/s
Time Pulse Accuracy≤20 ns
Inertial NavigationDual Inertial Navigation System
Gyroscope Measuring Range±300 deg/s
Gyroscope Zero Bias Instability5 deg/h
Accelerometer Measuring Range±16 g
Functional Safety LevelASIL B
Working Voltage3.0 - 5.5 V DC
Power Consumption<800 mW @ 3.3 V




Applications


Autonomous Driving

Suitable for autonomous vehicles requiring reliable GNSS and inertial navigation performance.

Robotics Systems

Provides continuous positioning capability for autonomous robots and intelligent platforms.

Surveying Equipment

Supports professional positioning systems requiring RTK and INS integration.

Precision Agriculture

Designed for agricultural machinery requiring stable positioning and navigation capability.



System Integration


GNSS Antenna → TX-AK734 GNSS RTK INS Module → Vehicle / Robot Controller → Autonomous Navigation System

TX-AK734 integrates GNSS positioning, RTK correction, and dual inertial navigation functions for advanced autonomous system integration.



Why Choose TOXU


TOXU provides integrated GNSS positioning solutions including RTK modules, GNSS antennas, RF cable assemblies, and customized navigation hardware solutions.

With professional RF engineering and manufacturing capability, TOXU supports prototype development, customization, and mass production for industrial positioning applications.



FAQ - Frequently Asked Questions


Q1: Which GNSS chipset is used in TX-AK734?

TX-AK734 uses the Bynav M22 GNSS chipset.

Q2: Does TX-AK734 support inertial navigation?

Yes. TX-AK734 integrates a dual inertial navigation system to improve positioning continuity.

Q3: What applications are suitable for TX-AK734?

It is suitable for autonomous driving, robotics, surveying, precision agriculture, and high-reliability navigation systems.

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