Resources
Tersus Technology
From our proprietary Antares™ GNSS SoC to the ExtremeRTK™ positioning engine, discover the innovations that power centimetre-level precision across surveying, autonomy, and machine control applications.
Antares™
Multi-Constellation GNSS SoC
Our proprietary system-on-chip integrates 1408-channel multi-constellation GNSS signal tracking with RTK/PPP positioning computation on a single die. Designed from the ground up for centimetre-level accuracy.
1408
Tracking Channels
All GNSS constellations simultaneously
8mm
RTK Accuracy
Horizontal precision + 1 ppm
<1W
Power Draw
Full RTK positioning under 1 watt
-40°
Operating Range
Industrial temperature grade
- GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC full constellation support
- On-chip RTK engine with integer ambiguity resolution
- Dual-frequency ionospheric correction
- Advanced multipath mitigation algorithms
- Low-latency position output (< 20ms)
- Built-in interference detection and mitigation
Antares™ Technology
ExtremeRTK™
High-Dynamics Positioning Engine
Our next-generation RTK engine optimised for high-dynamics environments — rapid acceleration, high-vibration, and GNSS-challenged conditions like urban canyons and foliage.
200Hz
Output Rate
Ultra-fast position updates
99.9%
Fix Availability
Even in challenging conditions
<5s
Reacquisition
Fast signal recovery after outage
60°
Tilt Range
IMU-based tilt compensation
- Adaptive Kalman filtering for high-dynamics platforms
- Tight IMU integration (tactical and industrial grade)
- Advanced cycle slip detection and repair
- Multi-path suppression in dense urban environments
- RTK-INS fusion for continuous positioning during GNSS outages
- Automatic base station switching for rover networks
ExtremeRTK™ Technology
TAP™ PPP
Global Precise Point Positioning
Tersus Absolute Positioning delivers centimetre-level accuracy worldwide without local base stations. Our global correction network converges in minutes, not hours.
<3cm
Global Accuracy
Horizontal after convergence
<15min
Convergence
Fast PPP initialization
99.95%
Uptime SLA
Enterprise-grade reliability
160+
Countries
Global coverage footprint
- State-space representation (SSR) corrections via L-band satellite
- Dual-frequency ionospheric modelling
- Precise satellite orbit and clock corrections
- Integrity monitoring and alerting
- Seamless RTK-PPP transition for optimal accuracy
- Flexible subscription tiers for all applications
TAP™ PPP Technology
visionRTK™
Visual-Inertial Positioning
Fuses camera-based visual odometry with GNSS/INS for reliable positioning in GNSS-denied environments — indoors, underground, and urban canyons.
1%
Drift Rate
Visual-inertial dead reckoning
30fps
Visual Track
Real-time feature tracking
0.1°
Heading
Dual-antenna + visual fusion
100m
GNSS Gap
Continuous positioning without satellite
- Monocular and stereo camera support
- Deep learning-based feature extraction
- Tight visual-inertial coupling for drift-free trajectories
- Loop closure detection for long-duration accuracy
- Seamless GNSS/visual handover
- Compact form factor for embedded applications
visionRTK™ Technology
capturRTK™
Real-Time Scene Reconstruction
Combines RTK positioning with LiDAR and photogrammetry for instant 3D scene capture. Generate survey-grade point clouds and meshes in the field, not back at the office.
2cm
Point Accuracy
RTK-registered point clouds
5M
Points/Second
Real-time processing rate
E57
Export Format
Industry standard output
LTE
Cloud Sync
Automatic upload and processing
- Real-time SLAM with RTK constraint fusion
- Multi-sensor calibration (LiDAR, camera, IMU, GNSS)
- On-device point cloud colouring and classification
- Automatic georeferencing to local coordinate systems
- Direct DXF/LAS export to CAD workflows
- Collaborative multi-operator project merging
capturRTK™ Technology
Technical Specifications
Signal Processing
- Channels
- 1408 (all-constellation)
- Constellations
- GPS, GLONASS, Galileo, BeiDou, QZSS, NavIC, SBAS
- Frequencies
- L1/L2/L5/E5a/E5b full bandwidth
- Acquisition
- -148 dBm cold start sensitivity
Connectivity
- Cellular
- 4G LTE global bands with 3G/2G fallback
- L-Band
- TAP PPP satellite corrections
- UHF Radio
- 410-470 MHz, 1W TX for base-rover
- Bluetooth
- 5.2 BLE for controller pairing
Reliability
- RTK Fix Rate
- > 99.5% in open sky
- PPP Convergence
- < 15 minutes typical
- Tilt Compensation
- ±60° with < 2cm error
- MTBF
- > 50,000 hours
Integration
- SDK
- C/C++ with Python bindings
- Protocols
- NMEA 0183/2000, RTCM 3.x, Tersus Binary
- Interfaces
- UART, USB, CAN, SPI, Ethernet
- Firmware
- OTA updates via Cloud Studio
See it applied
Technology in the field
View all workflowsIntegration
Build with Tersus Technology
Access our SDK, developer documentation, and reference designs to integrate centimetre-level positioning into your products.
