Tesat is a German company that designs, manufactures, and tests equipment for space applications, primarily focusing on satellite communications. They are a leading manufacturer of products like amplifiers, multiplexers, and optical communication terminals used in communication, navigation, and earth observation satellites. TESAT partners with major players like MDA Space and Lockheed Martin and works with agencies like the German Space Agency (DLR) and ESA.
All verified mentions of this organization in source documents.
TESAT Spacecom is providing the EAGLE-1 quantum key distribution payload.
As of April 2026, the SDA-qualified optical inter-satellite link terminal supply base consisted of Mynaric, Tesat-Spacecom US, Skyloom, and CACI.
CACI supplied 21 optical communication terminals to Tesat’s 42 in an April 2026 delivery event.
The publicly documented Space Development Agency-qualified optical intersatellite terminal providers include Mynaric, Tesat-Spacecom U.S., Skyloom, and CACI.
The HummingSat program’s German supply chain already includes ASP, AST, DLR, Tesat, Thales Germany, Jena Optronik, and Rockwell Collins Germany.
The SDA-qualified optical inter-satellite link terminal supply base includes Mynaric, Tesat-Spacecom US, Skyloom, and CACI.
The HydRON Element 3 satellite will carry optical communication terminal hardware from Tesat, Mbryonics, and Astrolight and a space situational awareness payload from Vyoma.
Kepler will work with Astrolight, Tesat, Mbryonics, and Vyoma under the HydRON test contract.
The HydRON Element 3 spacecraft will carry optical communication terminals from TESAT Spacecom, Mbryonics Ltd., and Astrolight UAB.
OptiSat flew a TESAT SCOT20 laser communications terminal.
Tesat supplied optical communication terminals used by SpaceX and York Space Systems on the Tranche 0 SDA spacecraft.
Tesat received an award from Lockheed Martin in December 2024 to supply optical communication terminals for a future GPS III satellite.
Tesat completed delivery of its SCOT80 terminals to Lockheed Martin.
Tesat has 62 optical communication terminals currently in orbit on multiple prime contractors’ satellites.
Tesat has delivered optical communication terminals to Lockheed Martin for use on future GPS satellites.
TESAT delivered the first SCOT20 Optical Communication Terminal flight model to Planetek Hellas.
Sven Rettig is the Chief Commercial Officer of TESAT.
The SCOT20 confirms TESAT’s capability to provide high-performance, compact optical communication solutions for micro- and nanosatellites.
The Optisat mission is supported by leading suppliers including TESAT, EnduroSat, SkyLabs, D-Orbit, and Planetek Italia.
Lockheed Martin's satellites for the SDA will be equipped with laser communication terminals from Tesat.