Syntony designs and manufactures a full range of SDR GNSS products and solutions, from Test & Measurement to receivers.

GNSS Simulator Constellator, used by major space companies and agencies, generates up to 660 satellite signals simultaneously and CRPA, and leads in space-born receiver tests solutions, particularly LEO Constellations.

Echo is considered by the market as the Record and Playback system with the highest fidelity. Used by Aerospace industries, its high bandwidth and 1200MB/s on 3 RF channels also benefit to Rail & Smart Transportation companies needing to recreate realistic scenarios in lab.

SoftSpot multifrequency & multiconstellation receiver supports highest dynamics, LEO trajectories and hybridization (incl. IMU) and offers the best performance worldwide with its L1/E1/L5/E5a version.

  • Test & Measurement product line presentation video: 

  • Constellator - GNSS Simulator

Constellator, our GNSS Simulator, is the leading solution for space-born receiver test, particularly LEO Constellations. Based on a Software Defined Radio (SDR) core, Constellator offers key versatility, flexibility and expandability in a fast-changing market, able to generate up to 660 satellite signals simultaneously and CRPA.

Learn more here

  • Echo - GNSS Recorder & Player 

Echo R&P, the high fidelity GNSS signal Record and Playback system, is typically used by the Aeronautic industry and Space Agencies (CNES, DLR, etc.) for real-time GNSS tests. Its capacities are now benefiting to Rail and Smart Transportation companies either, whenever they need to recreate a highly realistic scenario in their laboratory.

Learn more here

If you need any more information, don’t hesitate to contact

Frédéric Silva

Head of T&M Business Unit


Philippe BADIA

Sales Manager


More information on our products at