Rosenberger of North America (RoNA), a subsidiary of Germany-based Rosenberger Hochfrequenztechnik GmbH & Co. KG, is a leading provider of cutting-edge connectivity solutions for high-frequency, fiber optic, and high-voltage applications. Established in 2002 and headquartered in Ontario, California, RoNA serves as a strategic hub for the Rosenberger Group’s operations across the Americas, delivering innovative technologies that power telecommunications, automotive, industrial, and aerospace sectors.

Global Expertise, Local Innovation
With over 70 years of global expertise, Rosenberger combines engineering excellence with localized customer support. The North American division reflects this legacy, offering RF coaxial connectors, antennas, fiber optic systems, and high-voltage components critical to 5G infrastructure, electric vehicle (EV) charging, and IoT ecosystems. RoNA’s solutions are integral to advancing next-gen networks, enabling faster data transmission, and supporting sustainable mobility.

Industry Leadership
RoNA is at the forefront of 5G deployment, collaborating with telecom giants to develop scalable, low-latency connectivity systems. In the automotive realm, its high-voltage connectors and charging systems drive the EV revolution, partnering with automakers to enhance efficiency and safety. The company also supports aerospace and industrial clients with ruggedized, high-performance components designed for extreme environments.

Commitment to Innovation
Rosenberger invests heavily in R&D, operating state-of-the-art facilities in North America, including design centers and testing labs. Certifications such as ISO 9001 and IATF 16949 underscore its dedication to quality, while agile manufacturing processes ensure rapid response to market demands.

Vision for the Future
Guided by a mission to “connect the future,” RoNA prioritizes sustainability, innovation, and customer-centricity. By fostering partnerships and embracing emerging technologies, the company aims to shape a connected, efficient world. Rosenberger of North America remains a trusted partner for industries navigating the complexities of digital transformation, proving that seamless connectivity is the foundation of progress.

With a workforce of over 1,000 employees across the Americas, RoNA continues to expand its footprint, delivering solutions that bridge today’s challenges with tomorrow’s possibilities.