Callisto has successfully delivered the prototype unit of its new Ultra QRFH Cryogenic receiver fo VLBI to the BKG, VLBI team at Wettzell (Germany). This is a significant milestone for Callisto with a bold move on cryogenic LNA receivers design for wideband operations. This new product presents innovative capabilities for customers all around the world.
Learn more here http://www.callisto-space.com/en/page/ultra-cryogenic-lna-wideband-qrfh.php