In order to assure the unique product quality demand of space missions, SITAEL applies the highest level system design in order to provide flight equipment and components for satellite data processing, handling, storage and communications. SITAEL is currently involved into the Enabling and Critical Technologies harmonization process in collaboration with ESA and Prime Industries, in order to be at the forefront of the most urgent needs of the space data systems scenario, like high-speed data links and enhanced microprocessors, as well as harness mass and complexity reduction.