xNAV

Miniature dual antenna GNSS/INS

Fully integrated dual antenna GNSS+inertial system that doesn’t compromise on performance. Ideal for weight and space constrained applications.

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OVERVIEW

Small, compact, lightweight

Save fuel, extend flight times, and allow more payload capacity for other sensors. Weighing just 365 g even with its rugged IP65 casing, the xNAV is light enough to fit on many small and medium sized UAV platforms while still providing survey-grade accuracy.

No compromises

Despite its small size, the xNAV integrates high-grade MEMS inertial sensors and RTK capable GNSS receivers. This allows it to be economical on price and power but still deliver centimetre-level positioning and accurate roll, pitch, and heading that is required for surveying and mapping applications.

Increase productivity

Spend more time collecting relevant data. Eliminate the necessity to survey ground control points (GCPs) and cover a wider area by reducing the amount of sidelap required. The high performance IMU integrated in the xNAV systems allow you to perform direct georeferencing from the air, and the trajectory can be exported for use in LiDAR and photogrammetry software. Thanks to advanced temperature calibration, the system is fully optimal after just a few minutes warm-up.

Dual GNSS true heading

The integrated dual receivers ensure an accurate and robust heading measurement. It will remain stable when the vehicle is stationary or hovering in place, in low dynamics, and is not affected by magnetic interference. The dual antenna setup also allows you to initialise statically, meaning the xNAV can start outputting and logging data before your vehicle starts moving or takes off.

No restrictions

No need to worry about export licenses and paperwork when working across borders. The xNAV systems are ITAR free and have no export restrictions.

Simple integration

Tested and supported integrations with a range of imaging sensors, including LiDAR from Riegl, Velodyne, Z+F, hyperspectral sensors from Specim, cameras from Phase One, Point Grey, and more. Our Application Engineering team can help support custom integrations with your chosen sensors.

Maximising performance

When GNSS struggles, such as in urban canyons, under tree cover, or with obstructions like tunnels and bridges, the sensor fusion of the GNSS and IMU fills the gaps to provide a smooth output. Minimise position drift during outages with combined forwards/backwards processing in our free post-processing application NAVsolve. Add an odometer on land vehicles for extra velocity updates in the Kalman filter to help when stationary or slow moving. Ensure as much of your data as possible is within spec with our gx/ix tight-coupling technology, which speeds up RTK reacquisition and maintains RTK level performance even in high multipath environments and poor satellite visibility.

One-box solution

As well as the integrated GNSS and IMU, the xNAV also has 4 GB of onboard storage, saving the space and added complexity of requiring an external data logger. It can also synchronise other sensors to GPS time with PPS and NMEA outputs to timestamp images and data, and log event inputs like camera shutter triggers.

APPLICATIONS

Georeferencing LiDAR data collected with a UAV

Airborne photogrammetry applications

UAV remote sensing

Pedestrian mobile mapping systems

Integrated LiDAR+INS

Downloads

xNAV user manual
Download

xNAV datasheet
Download

xNAV quick start guide
Download

Specification

Real-Time
Logging Only
xNAV500
xNAV200
xNAV550
xNAV250
PositioningGPS L1
GLONASS L1 (option)
GPS L1, L2
GLONASS L1, L2 (option)
Position accuracy2 m SPS
0.5 m DGPS
1.6 m CEP SPS
0.4 m DGPS
0.02 m RTK
Velocity accuracy
0.1 km/h RMS0.1 km/h RMS
Roll/Pitch
0.05° 1σ
0.05° 1σ
Heading (2 m baseline)0.15° 1σ
0.1° 1σ
Acceleration bias stability
0.05 mg0.05 mg
Acceleration range
5 g
5 g
Angular Rate bias stability
3°/hr
3°/hr
Angular Rate range
300°/s300°/s
Measurement rate
100 Hz
200/250 Hz (Optional)
100 Hz
200/250 Hz (Optional)
Operating temperature
-40°C to +70°C
-40°C to +70°C
Specification temperature-10°C to +70°C-10°C to +70°C
Power input
10–31 V
10–31 V
Power consumption
7 W
9 W
Dimensions132 x 77 x 36 mm
132 x 77 x 41 mm
Weight365 g
425 g
Logging capacity
4 GB4 GB
InterfacesEthernet, Serial
Ethernet, Serial
Dual antenna
YesYes

Features

Tightly-coupled GNSS/IMU for reliable accurate measurement.

Small and lightweight system in an IP65 package.

Dual antenna GPS/GLONASS for accurate heading in all conditions.

Internally logs over 48 hours of full navigation data.

Free comprehensive software suite with configuration, post-processing, and analysis included.

Supported integrations with Riegl, Z+F, Specim, Point Grey, Phase One, and other sensors.

No export restrictions.

Event inputs and distance-based output triggers.

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