ADMA-Micro: Our smallest GNSS/Inertial Navigation Unit

Compact, low‑latency inertial navigation system delivering real‑time position, velocity and attitude data: even during GNSS outages.

Key performance facts

Position accuracy (1σ)*1 Velocity accuracy (RMS)*2 Heading / Roll / Pitch (1σ)*2 Data latency Data output rate
0.01 m 0.06 km/h 0.06° < 1 ms up to 1 000Hz*3

*1 Typical values based on internal test standards with a settled Kalman filter.*2 Depending on GNSS conditions and available correction data. Optional *3

Why choose the ADMA-Micro?

ADMA‑Micro is designed for compact and automated test setups that require high‑precision, low‑latency motion data in a small and flexible form factor. It is ideally suited for applications such as ADAS target testing, driving robots and vehicle dynamics measurements: even under challenging GNSS conditions.

Key Features

Icon for embedded web interface
Easy configuration
Configured via the embedded ADMA web interface: no additional software required
Floor Markings_Positioning Accuracy_RTK
RTK as a standard
Multi‑GNSS RTK activated as standard for centimeter‑level positioning accuracy (base or NTRIP)
Dual antenna
Dual antenna
Optional dual‑antenna configuration for accurate heading
Icon data recording & analysis
Data recording & analysis
ADMA Data Logger and Data Analyzer included free of charge
Icon for Protection Class according to IP67
Robust design
Shock & vibration tested to DIN EN 60068 (‑2‑25, ‑2‑64, ‑2‑6)

Protection class IP67

Icon Robot compatibility
Driving robot compatible
Compatible with common driving and steering robots (e.g. AB Dynamics, Humanetics, Stähle, Vehico)
ITAR Free
No export restrictions ideal for global projects
Free lifetime support & updates
Firmware updates and expert support at no cost

Applications

Explore ADMA-Micro applications
Shows a car following the vehicle in front of it automatically with the ACC activated.

Adaptive cruise control

Adaptive Cruise Control (ACC) systems require precise relative distance and velocity information between vehicles. ADMA‑Micro provides highly accurate position, velocity and heading data for both ego and target vehicles. Low-latency measurements and high update rates enable reliable validation of following distance, speed adaptation and longitudinal control behavior, ensuring repeatable and objective testing under real-world driving conditions. Read more

Shows a car with high speed braking because the vehicle in front of it suddenly brakes. This braking procedure is activated by the AEB system.

AEB / FCW

Autonomous Emergency Braking (AEB) and Forward Collision Warning (FCW) systems depend on accurate position and motion data to detect collision risks and trigger warnings or braking actions. ADMA‑Micro delivers highly accurate GNSS/INS measurements for validating warning thresholds, braking interventions and collision avoidance algorithms. Centimeter-level positioning, reliable heading information and low-latency data output enable repeatable testing and objective assessment of AEB and FCW performance in both proving ground and real-world driving scenarios. Read more

Shows two cars. One car gets signalized that another car is approaching from the back by the ADAS blind spot system.

Blind spot detection

Blind Spot Detection (BSD) systems require accurate position and motion data to validate object detection and warning performance. ADMA‑Micro delivers precise GNSS/INS measurements for evaluating blind spot monitoring and lane change assistance systems. Centimeter-level positioning, reliable heading information and low-latency data output enable repeatable testing and objective assessment of system performance in real-world driving scenarios. Read more

Shows a car at standstill and an approaching cyclist. The car automatically locks the door and gives a warning to the driver.

Dooring

Dooring scenarios require precise synchronization of vehicle motion, timing and event triggers. ADMA‑Micro delivers low‑latency motion data that enables accurate correlation between vehicle movement, door opening events and trigger signals. This supports reproducible dooring scenarios for the validation of safety and ADAS functions under controlled conditions. Read more

Grafik showing driving dynamic testing application

Driving dynamic testing

Driving dynamics testing focuses on how a vehicle responds to acceleration, braking and steering inputs. ADMA‑Micro provides high‑rate position, velocity and attitude data for precise analysis of vehicle behavior during dynamic maneuvers. GNSS/INS sensor fusion ensures continuous and reliable measurements, even during high dynamics or temporary GNSS signal degradation. Read more

The picture shows a car under durability testing

Durability testing

Durability testing requires reliable measurement data over long test durations and harsh conditions. With IP67 protection and shock and vibration resistance according to DIN EN 60068, ADMA‑Micro is designed for continuous operation in durability and endurance tests. The system delivers stable navigation and motion data throughout extended test cycles. Read more

Showing Lane Support System Application. lane Departure Warning and Lane Keep Assist

LDW / LKA

Lane Departure Warning (LDW) and Lane Keeping Assist (LKA) systems require precise vehicle position, heading and lane-relative motion data for reliable validation. ADMA‑Micro delivers highly accurate GNSS/INS measurements for evaluating lane departure warnings, lane centering performance and steering interventions. Its low latency, high update rate and robust sensor fusion enable repeatable testing and objective assessment of vehicle behavior, even during dynamic maneuvers or temporary GNSS signal interruptions. Read more

Shows a car with activated parking assist taking a park slot.

Park assist

Park assist systems rely on accurate low‑speed positioning and precise vehicle orientation. ADMA‑Micro enables centimeter‑level positioning accuracy and reliable heading information at very low speeds. This allows engineers to validate parking trajectories, positioning accuracy and system behavior in confined and real‑world environments. Read more

ADMA-Micro: available in two different versions

One Technology. Two Versions.
Shows our ADMA-Micro LEMO with its exact

Lemo Version

Shows our ADMA-Micro OEM with its exact dimensions

OEM Version

Technical Data

ADMA‑Micro

Complete System

GNSS constellations GPS L1, L2
GLONASS L1, L2
BeiDou B1, B2
Galileo E1, E5
Dual antennaOptional*1
Position accuracy*20.01 / 0.20 / 0.60 / 1.20 / 1.50 m
Angle measurement range roll / pitch / yaw60° / 60° / ±180°
Angle measurement accuracy roll & pitch (1σ) / yaw (1σ) 0.06° / 0.06° / 0.2°
Angle resolution0.01°
Velocity accuracy (RMS)*30.06 km/h
Position error after 10 / 30 / 60 sec GNSS outage (RMS)*3 0.5 / 5.0 / 30.0 m
Velocity error after 10 / 30 / 60 sec GNSS outage (RMS)*3 0.10 / 0.40 / 1.50 m/sec
Roll / Pitch angle error after 10 / 30 / 60 sec GNSS outage (RMS)*3 0.06 / 0.15 / 0.25°
Heading angle error after 10 / 30 / 60 sec GNSS outage (RMS)*3 0.06 / 0.15 / 0.25°
Data output rate100 / 200 / 250 / (500 Hz / 1000 Hz)*1
Calculation latency1 msec

Sensors – Gyroscopes

Sensor technology3 MEMS gyros
Measurement range±450 °/sec*4
Data output resolution0.0001 °/s
Bias repeatability typ. (1σ) 0.14 °/sec y‑axis and z‑axis
1.4 °/sec x‑axis
In‑run bias typ. 2.7 °/h x‑axis
2.2 °/h y‑axis
1.6 °/h z‑axis
Noise (random walk) typ. 0.15 °/√h x‑axis and y‑axis
0.2 °/√h z‑axis
Sensor bandwidth 480 Hz x‑axis and y‑axis
590 Hz z‑axis

Sensors – Accelerometers

Sensor technology3 MEMS accelerometers
Measurement range±15 g
Data output resolution0.0001 g
Bias repeatability typ.15 mg
In‑run bias typ. (1σ) 12.75 µg x‑axis and y‑axis
13.66 µg z‑axis
Noise (random walk) typ. 90 µg /√Hz x‑axis and y‑axis
75 µg /√Hz z‑axis
Sensor bandwidth750 Hz

Interfaces

Ethernet 1× 1 Gbit
Data input/output, configuration and firmware update,
driving robot data output, optional for relative data calculation and DGNSS routing
CAN1× CAN 2b, 1 Mbit – data output, input*1
Serial 1× RS232 GNSS Receiver
DGNSS correction data input
IPS (Indoor Positioning System)
Digital / Analog Input 2× Digital / Analog (16 bit)
e.g. frequency, brake trigger
Digital Output 2× Signal out e.g. PPS, Frequency, PPD pulse per distance
Connector typeSamtec; LEMO
GNSS2× SMA GNSS antenna connectors

Hardware / Miscellaneous

Dimension (W × L × H) OEM‑Version: 78.0 × 61.0 × 26.9 mm
LEMO‑Version: 93.0 × 71.5 × 32.5 mm
Internal memoryup to 64 GB (both versions)
Weight OEM‑Version: 0.116 kg
LEMO‑Version: 0.229 kg
Power supply OEM‑Version: 5 VDC typ. 7.5 W
LEMO‑Version: 9 to 32 VDC typ. 7.5 W
Operating temperature−20 °C to +75 °C (both versions)
Protection class OEM‑Version: IP20
LEMO‑Version: IP67
Shock and vibration ratings DIN EN 60068‑2‑27:2010‑02
DIN EN 60068‑2‑64:2020‑09
DIN EN 60068‑2‑6:2008‑10

*1 Optional
*2 Depending on GNSS conditions, correction data and license model
*3 Typical values according to internal test standards with settled Kalman filter
*4 Calibration range 0 °/sec to 200 °/sec

The performance figures given are based on measurements taken using the latest firmware version 35.3. Performance figures for comparable systems were obtained at different times and using different firmware versions and are therefore only comparable to a limited extent.

FAQ

1. What is the ADMA‑Micro used for?

ADMA‑Micro is a compact GNSS‑aided inertial navigation system designed for automotive testing and ADAS applications. It is used to measure position, velocity and attitude data in real time, especially in compact and automated test setups such as driving robots, ADAS targets and test vehicles.

2. How accurate is ADMA‑Micro?

ADMA‑Micro delivers centimeter‑level positioning accuracy with RTK as standard. Typical performance values include position accuracy down to 0.01 m (1σ), velocity accuracy of 0.06 km/h (RMS) and attitude accuracy of 0.06° (1σ), depending on GNSS conditions and correction data.

3. Does ADMA‑Micro work during GNSS outages?

Yes. ADMA‑Micro uses GNSS/INS sensor fusion based on an advanced Kalman filter. This allows the system to provide continuous and reliable position, velocity and attitude data even during short GNSS outages, for example in tunnels or urban environments.

4. Can ADMA‑Micro be used with driving robots?

Yes. ADMA‑Micro is fully compatible with common driving and steering robots used in automotive testing. It integrates seamlessly into automated test setups, including systems from manufacturers such as AB Dynamics, Stähle, Vehico and Humanetics.

5. Which applications are supported by ADMA‑Micro?

ADMA‑Micro supports a wide range of ADAS and vehicle dynamics applications, including ACC / FCW, adaptive cruise control, blind spot detection, dooring scenarios, driving dynamics testing, durability testing and park assist. The compact design makes it especially suitable for space‑constrained test setups.

6. What output rates and latency does ADMA‑Micro provide?

ADMA‑Micro provides output rates of up to 1 000 Hz (optional) with a data latency of less than 1 ms. This makes it well suited for real‑time applications and automated test scenarios that require fast and precise motion data.

7. Is RTK included with ADMA‑Micro?

Yes. Multi‑GNSS RTK functionality is activated as standard. Centimeter‑level positioning accuracy can be achieved using a base station or an NTRIP correction service.

8. Is ADMA‑Micro suitable for harsh test environments?

ADMA‑Micro is designed for use in demanding automotive test environments. The system is shock and vibration tested according to DIN EN 60068 and is available with IP67 protection, making it suitable for durability and long‑term testing.

Talk to our experts

Get more details about ADMA‑Micro and find out how it fits your ADAS or vehicle dynamics test setup.