The Inertial+ Navigation System is an extremely price competitive solution for improving measurements from a GPS receiver. Designed as a drop-in component the Inertial+ takes the serial NMEA data from your current GPS receiver, blends it with inertial sensors and outputs the improved data in the same NMEA format. Other input and output formats are supported.




Drop-in INS for external GNSS receivers

Inertial navigation system with support for external aiding from GNSS and Locata receivers. Make use of your existing equipment for land, sea, or air applications.


Great performance, great value

Positioning accuracy is dependent on the external receiver, but it’s always complemented by a high-grade MEMS inertial system. Since you’ve already invested in your own receivers and don’t have to pay again for a fully integrated RTK INS, the Inertial+ is very cost-effective. It even comes with a comprehensive software suite included, for configuration, post-processing, monitoring and analysis.


Locata support

In addition to the range of GPS/GNSS receivers that the Inertial+ supports, it’s also the first and only INS to support external aiding from the local positioning system Locata. With a local network set up, the Inertial+ takes the NMEA output from a Locata receiver and blends it with the inertial data in the same way as with GNSS, to output a complete 3D navigation solution.



Uses your existing GNSS receiver (reduced cost)
Real-time, low latency measurement output
6-axis inertial measurement unit
100 or 250 Hz update rate
Software suite with post-processing included
Support for multiple vendors inc. Trimble, Topcon, Novatel, and Locata
Integrate with imaging sensors from Riegl, Z+F, Specim, Point Grey, Phase One, and more

Asset management on roads and rail

Direct georeferencing on manned aerial platforms

Mobile mapping with LiDAR, 360 cameras, ground penetrating radar, and others

Anywhere you want to upgrade your existing GNSS receivers with inertial technology

Receiver type L1/L2 GPS Internal receivers
Positioning RTK SPS
Positioning Accuracy 0.02 m 3.0 m
Velocity Accuracy 0.05 km/h RMS 0.1 km/h RMS
– Bias

10 mm/s²

10 mm/s²
– Linearity


– Scale Factor


– Range

10G (Optional 30G)

10G (Optional 30G)
Roll/Pitch 0.03° 0.05°
Heading 0.1° (single antenna)
0.06° (dual antenna, 4 m baseline)
0.2° (single antenna)
0.06° (dual antenna, 4 m baseline)
Angular Rate    
– Bias 0.01°/s 0.01°/s
– Scale Factor 0.1% 0.1%
– Range 100°/s (Optional 300°/s) 100°/s (Optional 300°/s)
Update Rate 100 Hz (Inertial+/Inertial+2)
250 Hz (Inertial+ 250/Inertial+2 250)
100 Hz (Inertial+/Inertial+2)
250 Hz (Inertial+ 250/Inertial+2 250)
Calculation Latency 3.5 ms 3.5 ms
Power 10–18 V dc, 15 W 10–18 V dc, 15 W
Dimensions (mm) 234 x 120 x 76 234 x 120 x 76
Weight 2.3 kg 2.3 kg
Operating Temperature –10 to 50°C –10 to 50°C
Shock Survival 100G, 11ms 100G, 11ms
Internal Storage 2 GB 2 GB
Operating temperature -10° to 50°C -10° to 50°C
Vibration 0.1 g²/Hz, 5–500 Hz 0.1 g²/Hz, 5–500 Hz


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