# Tesat-Spacecom GmbH & Co. KG
*commercial . companies*

German space communications hardware manufacturer headquartered in Backnang, Baden-Württemberg. Independent subsidiary of Airbus Defence and Space, tracing origins to AEG telecommunications operations established in Backnang in 1949; formally constituted as Tesat-Spacecom GmbH & Co. KG in 2001 following acquisition by EADS Astrium. Core products: traveling-wave tube amplifiers (TWTA), solid-state power amplifiers (SSPA), electronic power conditioners (EPC), TT&C transponders, passive RF components (OMUX, IMUX, waveguide switches), and the SCOT family of optical inter-satellite link terminals (SCOT20 for small satellites, SCOT80 for LEO constellations at 10 Gbps, SCOT135 for MEO/GEO at up to 100 Gbps). Over 10,000 laser links established in space by 2018. Approximately 1,050 employees (2021); revenue approximately EUR 280-344 million. US subsidiary established. Key recent milestone: SCOT80 launched on GPS III-10 in April 2026 for first MEO laser communications test.

## Specifications
- **country**: Germany
- **website**: https://www.tesat.de
- **operator domains**: ["tesat.de"]
- **founded year**: 2001
- **entity type**: company
- **last verified date**: 2026-05-29
- **verified by**: sw
- **claim status**: unclaimed
- **attributes**: {"kind":"commercial","country":"Germany","website":"https://www.tesat.de","operator_domains":"[\"tesat.de\"]","founded_year":2001,"description":"German space communications hardware manufacturer headquartered in Backnang, Baden-Württemberg. Independent subsidiary of Airbus Defence and Space, tracing origins to AEG telecommunications operations established in Backnang in 1949; formally constituted as Tesat-Spacecom GmbH & Co. KG in 2001 following acquisition by EADS Astrium. Core products: traveling-wave tube amplifiers (TWTA), solid-state power amplifiers (SSPA), electronic power conditioners (EPC), TT&C transponders, passive RF components (OMUX, IMUX, waveguide switches), and the SCOT family of optical inter-satellite link terminals (SCOT20 for small satellites, SCOT80 for LEO constellations at 10 Gbps, SCOT135 for MEO/GEO at up to 100 Gbps). Over 10,000 laser links established in space by 2018. Approximately 1,050 employees (2021); revenue approximately EUR 280-344 million. US subsidiary established. Key recent milestone: SCOT80 launched on GPS III-10 in April 2026 for first MEO laser communications test."}

## Editorial
Tesat-Spacecom GmbH & Co. KG is a German space communications hardware manufacturer headquartered in Backnang, Baden-Wurttemberg, and an independent subsidiary of Airbus Defence and Space.[^wikipedia-tesat] The company traces its heritage to AEG telecommunications operations established in Backnang in 1949;[^wikipedia-tesat] the legal entity Tesat-Spacecom GmbH & Co. KG was formally constituted in 2001 following acquisition by EADS Astrium.[^wikipedia-tesat]

Tesat's product portfolio spans radio-frequency and optical communications hardware: traveling-wave tube amplifiers (TWTA), solid-state power amplifiers (SSPA), electronic power conditioners (EPC), TT&C transponders, passive RF components including output multiplexers (OMUX), input multiplexers (IMUX), and waveguide switches.[^tesat-products-page] The company also produces the SCOT family of optical inter-satellite link (ISL) terminals: SCOT20 for small satellites, SCOT80 for LEO constellations targeting 10 Gbps throughput, and SCOT135 for MEO and GEO applications targeting up to 100 Gbps.[^tesat-products-page] Tesat reported over 10,000 laser links established in space by 2018.[^wikipedia-tesat] In April 2026, SCOT80 was launched aboard GPS III-10 for a first MEO laser communications demonstration.[^tesat-products-page]

Tesat employed approximately 1,050 people as of 2021.[^wikipedia-tesat] Tesat has established a US subsidiary.[^spacenews-tesat-us]

## Sources
- [wikipedia-tesat] | Tesat-Spacecom - Wikipedia | https://en.wikipedia.org/wiki/Tesat-Spacecom | tier=community | accessed=2026-05-29
- [tesat-products-page] | TESAT Products page | https://www.tesat.de/products | tier=operator-engineering | accessed=2026-05-29
- [spacenews-tesat-us] | Tesat-Spacecom establishes U.S. subsidiary - SpaceNews | https://spacenews.com/tesat-spacecom-establishes-u-s-subsidiary/ | tier=third-party | accessed=2026-05-29

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Source: https://eo-atlas.org/companies/tesat-spacecom
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