Image of Terma - Remote Terminal Unit (RTU) for spacecraft on the satsearch marketplace

Key highlights

Terma's Remote Terminal Units (RTUs) are RTU systems for spacecraft designed to enhance the functionality and interface capabilities of the On-Board Computer (OBC) in satellites, offering extensive support for equipment monitoring, control, and power distribution.

The remote terminal unit modules are characterized by the flexible design, allowing for flexible assembly and customization to meet diverse mission needs and interface types, from high power commanding to precise temperature acquisition and valve control.

With in-house testing and manufacturing capabilities, Terma's RTUs ensure maximum flexibility and compatibility across a broad voltage range, catering to all mission types with off-the-shelf and bespoke modules.

Key features

Covers the classical satellite need for interfaces for commanding, measuring and other spacecraft interaction functions
Distributed system concept to reduce spacecraft harness i.e., multi units on the same spacecraft, to control
Customizable and modular RTU system with segregated modules
Cost-effective, lightweight and volume competitive solution
Flexible integration with spacecraft

Flight heritage

Terma has successfully supplied over 40 flight model RTUs for a wide variety of missions, such as H2Sat, Electra, LUXEOSys (NAOS), HERA, and CO2M.

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Last updated: 2025-10-24