GNSS OEM Boards & Kits, GNSS Receivers, GNSS Autopilots, INS for Unmanned Systems

Tersus GNSS
Tersus GNSS

Founded in 2014, Tersus GNSS is a leading provider of real-time high-precision GNSS positioning solutions that offer centimeter-level accuracy across multiple frequencies and GNSS constellations.

Our experienced engineers design GNSS RTK & PPK OEM boards and receivers, as well as integrated solutions such as GNSS-aided inertial navigation systems and autosteer for tractors.

Designed for simple and rapid integration, our multi-GNSS solutions offer enhanced accuracy for safer and more productive operations in a variety of applications: unmanned aerial vehicles (UAVs, UAS, drones), surveying, mapping, precision agriculture, lane-level navigation, construction engineering, and deformation monitoring.

David GNSS Receiver Rover Kit with 2W Radio

Compact GNSS Receiver and Accessories for Survey Rover Stations

The Tersus David is a palm-sized GNSS receiver designed for UAV surveying and agricultural applications. Coupled with an external GNSS antenna, and working with the free Tersus Survey App and post-processing software, it provides real-time RTK positioning and data collection for PPK.

Tersus David GNSS Receiver

The system features a 4GB onboard embedded multimedia card (eMMC), making it easy to save data for post-processing. The compact size, IP67-rated enclosure, and external Bluetooth module make the Tersus David ideal for outdoor field work.

Size 104x65x31mm (David only)
Weight 250g (David only)
Supported GNSS GPS L1/L2, GLONASS G1/G2, BeiDou B1/B2
Single Point Positioning (RMS) Accuracy 1.5m horizontal, 3.0m vertical
RTK Positioning (RMS) Accuracy 10mm + 1ppm horizontal, 15mm + 1ppm vertical
PPK Positioning (RMS) Accuracy 10mm + 1ppm horizontal, 15mm + 1ppm vertical

The Rover Kit bundles a Tersus David GNSS Receiver with a powerful 2W 460Mhz external radio for long-range operations, as well as:
– 1x GNSS antenna
– 1x GNSS antenna connector
– 1x GNSS antenna 1.5m RF cable
– 1x 2pin-USB power cable
– 1x COMM1-USB + 5 Pin cable
– 1x COMM2-Bluetooth module
– 1x 2W/460MHz radio antenna
– 1x USB cable (Type C, Micro)
– 1x Ranging pole
– 1x Height measuring accessory
– 1x Bracket
– 1x Carrying case

David GNSS Receiver Rover Kit with 2W Radio

David GNSS Receiver Base Kit with 2W Radio

Compact GNSS Receiver and Accessories for Survey Base Stations

The Base Kit, intended for UAV base stations for surveying applications, bundles a Tersus David GNSS Receiver with a powerful 2W 460Mhz external radio for long-range operations, as well as:

David GNSS Receiver Base Kit with 2W Radio

– 1x GNSS antenna
– 1x GNSS antenna connector
– 1x GNSS antenna 1.5m RF cable
– 1x 30W radio antenna
– 1x TNC-TNC 3m cable
– 1x COMM1-USB + 5 Pin cable
– 1x 2 Pin-USB power cable
– 1x Metal plate for radio antenna

– 1x Telescopic pole for radio antenna
– 1x Antenna connector for radio
– 1x USB cable (Type C, Micro)
– 1x Tape meter
– 1x Height measure accessory
– 1x Bracket for base
– 1x Carrying case
– 1x Accessory bag

BX316 GNSS RTK Board

Multi-GNSS RTK Board with Integrated SD Card

The BX316 is a dual-antenna multi-GNSS RTK board that can be easily integrated with external devices and systems such as UAV autopilots. This lightweight board supports multiple constellations (GPS L1 L2/GLONASS G1 G2/BDS B1 B2) and can output continuous and reliable centimeter-level positioning and heading even in harsh environments.

An on-board SD card (up to 32GB) is included for convenient data collection.

More Information: BX316 GNSS RTK Board

Tersus BX316 GNSS RTK Board

BX316 High-End Radio (HRS) Kit

GNSS RTK Receivers Equipped with UHF Rover Radio Capabilities

The BX316 HRS kit bundles two BX316 RTK boards with:

– 3 x GNSS antennas with cables
– 2 x RS05R radio modems with cables
– 2 x RS05R radio station antennas
– 2 x TTL-RS232 converters
– 2 x UART TTL-USB converters
– 2 x power cables.

Equipped with lightweight and robust RS05R technology, the kit provides reliable data communication in demanding conditions where stability, high performance and long range operation are required. RS05R is a lightweight, ruggedized UHF receiver designed for wireless digital radio communications between 410 and 470 MHz in either 12.5 or 25 kHz channels.

BX316 High-End Radio (HRS) Kit

More Information: BX316 High-End Radio (HRS) Kit

AG960 AutoSteer GNSS Autopilot

GNSS Autopilot for Precision Agricultural Machinery

AG960 AutoSteer GNSS AutopilotThe AG960 AutoSteer system is an autopilot solution for precision agricultural machinery. Combining two GNSS antennas, a high-precision positioning receiver, a coaxial rotation direction sensor and an electromagnetic hydraulic valve, the AG960 AutoSteer operates agricultural machinery according to a pre-planned path with accuracy and control.

Designed specifically for precision agriculture, the AG960 AutoSteer can autonomously control medium to large sized tractors and sprayers to optimize operational accuracy and productivity for modern farmers.

AG960 AutoSteer GNSS Agricultural Autopilot

RTK Positioning Accuracy Horizontal: ≤1cm / Vertical: ≤2cm
Attitude Determination Yaw Angle: ≤1° / Pitch/Roll Angle: ≤0.5°
Guidance Line Deviation ≤2.5cm
Operational Range ≤20km

MatrixRTK Receiver Kit

GNSS RTK Receiver Kit for Rugged Continuous Operations

MatrixRTK GNSS RTK Receiver KitThe MatrixRTK is a GNSS RTK receiver that incorporates a high-performance, multi-constellation and multi-frequency GNSS board, providing high accuracy and stable signal detection. The system improves anti-jamming performance and outputs high-quality RTK corrections, and is enclosed in a rugged alloy housing.

It can be operated remotely and the built-in battery provides power for up to 24 hours, making the system ideal for long-endurance unmanned systems operations. The kit includes the MatrixRTK GNSS receiver and a 3D GNSS choke ring antenna.

Size 147.6 x 64.3 x 246.0mm
Weight 2.5kg including battery
Supported GNSS GPS: L1C/A, L1C, L2C, L2E, L5
BeiDou: B1, B2
High-Precision Static (RMS) Accuracy 3mm + 0.1ppm horizontal, 3.5mm + 0.4ppm vertical
Static and Fast Static (RMS) Accuracy 3mm + 0.5ppm horizontal, 5mm + 0.5 ppm vertical
RTK (RMS) Accuracy 8mm + 1ppm horizontal, 15mm + 1ppm vertical
PPK (RMS) Accuracy 8mm + 1ppm horizontal, 15mm + 1ppm vertical
Network RTK (RMS) Accuracy 8mm + 0.5ppm horizontal, 15mm + 0.5ppm vertical

More Information: MatrixRTK GNSS RTK Receiver Kit

INS-T-306 GNSS-Aided Inertial Navigation System

High-Precision IMU-Enhanced GNSS/INS

The INS-T-306 is a GNSS-aided Inertial Navigation System (INS) that determines position, velocity and absolute orientation (Heading, Pitch and Roll) with precision and accuracy. The fully-integrated module utilizes GPS L1/L2, GLONASS and BDS navigation signals, and a state-of-art IMU combines 3-axis magnetometers, advanced MEMS accelerometers and gyroscopes.

The INS-T-306 features advanced, embedded Kalman Filter based sensor fusion algorithms for  different dynamic motions of UAS, AUVs, UGVs, and gimbals, and is compatible with LiDARs.

Tersus INS-T-306 GNSS-Aided Inertial Navigation System

Size 73 x 47 x 33 mm
Weight 145g
Position Accuracy 1.5 m (GPS L1&L2)
0.4 m (DGPS)
0.01 m + 1 ppm (RTK)
Heading Accuracy (static | dynamic) 1 deg | 0.1 deg
Velocity Accuracy 0.03 m/sec
Pitch & Roll Accuracy (dynamic) 0.1 deg
Gyroscope Bias in-run Stability 1 deg/hr
Accelerometer Bias in-run Stability 0.005 mg

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