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The Tesat SmartLCT 70 is a data relay access laser terminal designed for low earth orbit (LEO) satellites. It has unidirectional LEO to geostationary earth orbit (GEO) data rate of 1.8Gbps. It has Wizard Link data interface and has a maximum power consumption rate of 150 Watts. The product weighs 30 kgs and has a service lifetime of ten years.


Suitable for Earth observation LEO satellites connected to GEOs in data relay scheme.

Key features

  • Space proven 1064nm technology
  • Autonomous link acquisitions: algorithms verified 10,000 fold in space
  • Derived from TESAT‘s LCT135 space heritage.

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Last updated: 2023-01-30

SmartLCT 70 - LEO Data Relay Access



30 kg
power consumption
130W (while communicating)
transmit power
5 W
data rate
1.8 Gbps, unidirectional LEO to GEO
10 years in LEO orbit


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