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Bynav X36D GNSS/INS Positioning Box

By Bynav ↗

The bynav X36D GNSS/INS Positioning Box is a compact navigation unit for vehicle, mapping and UAV applications. It provides position, velocity and attitude information through GNSS and inertial sensing, with automotive Ethernet, CAN/CAN FD and synchronization support. Its specifications distinguish real-time RTK and PP accuracy during GNSS outages.

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Bynav X36D GNSS/INS positioning box with gray finned housing, mounting tabs and front connectors
Bynav X36D GNSS/INS positioning box with gray finned housing, mounting tabs and front connectors
Navigation configurationFull-temperature calibrated IMU, deeply coupled navigation algorithm and dual antennasX36D configuration described by the manufacturer
Application optimizationIn-vehicle applicationsBased on vehicle characteristics modeling
System typeGNSS/INS receiver
Satellite systems and signalsGPS: L1 C/A, L2, L5; GLONASS: G1, G2; BDS-2: B1I, B2I, B3I; BDS-3: B1I, B1C, B2a, B2b, B3I; QZSS: L1 C/A, L2, L5; Galileo: E1, E5b, E5a; NavIC: L5
Horizontal positioning accuracySingle point: 1.5 m (RMS); RTK: 1 cm + 1 ppm (RMS)Single-point or RTK positioning.
Vertical positioning accuracySingle point: 2.5 m (RMS); RTK: 1.5 cm + 1 ppm (RMS)Single-point or RTK positioning.

Product overview

The bynav X36D GNSS/INS Positioning Box provides position, velocity and attitude information for navigation and mapping applications, including UAV integration. Its GNSS receiver uses bynav-developed chips and incorporates a high-precision IMU compliant with functional safety ASIL B standards. The box measures 153 × 100 × 30 mm and weighs 290±30 g, defining its physical integration footprint. Automotive Ethernet and CAN/CAN FD interfaces, together with PPS and gPTP support, provide connections and synchronization for interaction with other sensors such as LIDAR and SLAM.

Maximum output rates are 5 Hz for GNSS measurements and RTK positions, and 100 Hz for INS position/attitude and raw IMU data. GNSS/IMU raw data output and post-processing are supported. Accessory options comprise GNSS antenna kits, a USB-RS232 converter cable, a 4G DTU kit and rover and base-station radio kits. Accuracy varies with positioning mode and GNSS interruption: RTK horizontal position accuracy is 0.015 m RMS at zero outage and 0.235 m RMS after a 10-second outage; corresponding PP values are 0.010 m and 0.015 m RMS.

Specifications

SpecificationValue & conditions
Navigation configurationFull-temperature calibrated IMU, deeply coupled navigation algorithm and dual antennasX36D configuration described by the manufacturer
Application optimizationIn-vehicle applicationsBased on vehicle characteristics modeling
System typeGNSS/INS receiver
Satellite systems and signals
  • GPS: L1 C/A, L2, L5;
  • GLONASS: G1, G2;
  • BDS-2: B1I, B2I, B3I;
  • BDS-3: B1I, B1C, B2a, B2b, B3I;
  • QZSS: L1 C/A, L2, L5;
  • Galileo: E1, E5b, E5a;
  • NavIC: L5
Horizontal positioning accuracySingle point: 1.5 m (RMS); RTK: 1 cm + 1 ppm (RMS)Single-point or RTK positioning.
Vertical positioning accuracySingle point: 2.5 m (RMS); RTK: 1.5 cm + 1 ppm (RMS)Single-point or RTK positioning.
Time to first fix
  • Cold start: ≤35 s;
  • warm start: ≤30 s;
  • hot start: ≤7 s
Cold, warm or hot start.
Maximum data rates
  • GNSS measurement: 5 Hz;
  • RTK position: 5 Hz;
  • INS position/attitude: 100 Hz;
  • IMU raw data: 100 Hz
GNSS measurement, RTK position, INS position/attitude or IMU raw data output.
Carrier-phase measuring accuracy≤1 mm (RMS)Carrier-phase measurement.
Pseudorange measuring accuracyL1C/A, L2, G1, G2: ≤0.12 m (RMS); other signals: ≤0.06 m (RMS)Pseudorange measurement on the specified signals.
Timing accuracy20 ns (RMS)
Velocity accuracy0.03 m/s (RMS)
Velocity limit300 m/s
Dimensions153 × 100 × 30 mm
Weight290±30 g
Accuracy at 0 s outage, RTK
  • Position, horizontal/vertical: 0.015/0.020 m;
  • velocity, horizontal/vertical: 0.019/0.014 m/s;
  • attitude, roll/pitch/azimuth: 0.018/0.018/0.084 degrees
0 s GNSS outage; RTK mode; all accuracy values RMS.
Accuracy at 0 s outage, PP
  • Position, horizontal/vertical: 0.010/0.020 m;
  • velocity, horizontal/vertical: 0.016/0.012 m/s;
  • attitude, roll/pitch/azimuth: 0.008/0.008/0.030 degrees
0 s GNSS outage; PP mode; all accuracy values RMS.
Accuracy at 10 s outage, RTK
  • Position, horizontal/vertical: 0.235/0.140 m;
  • velocity, horizontal/vertical: 0.058/0.024 m/s;
  • attitude, roll/pitch/azimuth: 0.035/0.035/0.110 degrees
10 s GNSS outage; RTK mode; all accuracy values RMS.
Accuracy at 10 s outage, PP
  • Position, horizontal/vertical: 0.015/0.020 m;
  • velocity, horizontal/vertical: 0.020/0.017 m/s;
  • attitude, roll/pitch/azimuth: 0.010/0.010/0.034 degrees
10 s GNSS outage; PP mode; all accuracy values RMS.
Gyroscope range±300 °/sGyroscope.
Gyroscope rate bias repeatability0.5 °/sGyroscope.
Gyroscope rate bias instability1.8 °/h (XZ); 1.4 °/h (Y)Gyroscope; X/Z and Y axes.
Angular random walk0.09 °/√h (XY); 0.10 °/√h (Z)Gyroscope; X/Y and Z axes.
Accelerometer range±6 gAccelerometer.
Accelerometer rate bias repeatability20 mgAccelerometer.
Accelerometer rate bias instability15 μgAccelerometer.
Velocity random walk0.035 m/s/√hAccelerometer.
Interfaces and synchronizationAutomotive Ethernet, CAN/CAN FD, PPS and gPTP; interaction with other sensors such as LIDAR and SLAM
Raw data and post-processingGNSS/IMU raw data output and post-processing supported
IMU functional safetyHigh-precision IMU compliant with functional safety ASIL B standards
Accessory configurationsBY500-5M-FAKRAC kit: GNSS antenna ×1, TNC-FAKRAC converter cable ×1, mounting base ×1. BY500-5M-FAKRAD kit: GNSS antenna ×1, TNC-FACKRAD converter cable ×1, mounting base ×1. USB-RS232 converter cable ×1. MD-649 4G DTU kit: communication module ×1, 4G antenna ×1, power adapter ×1, public-to-public cable ×1. DU2601D rover radio kit: receiver module ×1, radio antenna (M) ×1, power supply ×1. HX-8616D-SE base radio kit: 5W transmitter ×1, radio antenna (L) ×1, power supply ×1.Accessory and evaluation-kit configurations.
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