GTL Co., Ltd. is a Korean satellite ground station antenna system company based in Changwon, South Korea. Specializing in Gateway and TT&C antenna systems, GTL operates integrated R&D and manufacturing facilities covering antenna system design, verification, and operation. With over 70% of its engineering workforce coming from the aerospace and defense industries, GTL has achieved 84% localization of components and fully internalized all core antenna system technologies. GTL’s antenna systems seamlessly integrate S-band for mission-critical control links and X-band for high-speed, high-resolution data downlink within a single platform. In addition, GTL has developed RF solutions supporting Ka-band communications for next-generation high-capacity satellite data transmission, delivering reliable and scalable ground segment solutions for global space missions.