Celestia TTI (TTI Norte S.L.U.), founded in 1996 and part of the European aerospace group Celestia Technologies Group, is an RF, microwave, and antenna engineering enterprise based in the Cantabria Science and Technology Park (PCTCAN) in Santander, Spain. The company operates more than 4,000 m² of specialized design, testing, and production facilities, including ISO 7 cleanroom spaces and anechoic test chambers.
TTI holds ISO 9001:2015 certification and European Space Agency (ESA) qualifications for flight and ground-segment hardware. With more than 25 years of operational heritage, the company supplies high-performance RF front-ends, active phased arrays, and satellite ground terminals to defense organizations, space agencies, and global telecom operators across five continents.