Stella GNSS Simulator

The Stella GNSS Simulator is the new generation of multi-constellation and multi-frequency RF simulators. With its user experience-focused design, the Stella GNSS Simulator simplifies each step of the simulation process for a smooth and intuitive use.

More than 48 simulated GNSS signals
Scalable configuration
High precision
Closed-loop and open-loop mode
Intuitive graphical interface

Reproduce the sky reliably, integrally, and accurately

An all-in-one GNSS simulator

The Stella GNSS Simulator is an essential tool at every stage of your project, whether it’s design, development, or validation.

Featuring an intuitive and simplified user interface, our all-in-one GNSS simulator streamlines testing and validating your GNSS receivers by generating GNSS signals.

Stella GNSS Simulator lets you focus on what matters most: the success of your project.

Interference simulation

Simulation of intentional and unintentional interferences such as jamming and spoofing


Simulation of 4 antennas simultaneously

High precision

Ground station and RTCM3 message frames compliant with RTCM3 standard


Generation of multipath models using a user-defined 3D model

Use cases

Aerospace & Defense

Ground transportation


The most popular

Bundle Software + Hardware

Secure your complete kit to start your simulation testing


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Software only

Do you already have the hardware? The “Software only” option is available.