Stellant Systems

Stellant Systems is a manufacturer of high-power radio frequency (RF) amplification systems and related electronic technologies. Established in 2021, the company was formerly L3Harris Electron Devices and Narda Microwave-West, bringing an established heritage in RF products and engineering. Stellant serves customers in the space, defense, medical and scientific, and industrial markets.

Its portfolio includes active and passive RF components, control components, limiters, switches, multifunction assemblies, and RF assembly and ETL testing services. The company also offers a broad range of amplification and power products, including crossed-field amplifiers, klystrons, magnetrons, microwave power modules, solid-state power amplifiers, amplifier modules and systems, traveling-wave tubes and amplifiers, and thyratrons. Additional offerings include electron emitters, electronic power conditioners, inductive output tubes, and XIPS propulsion systems, as well as nanoMPM products for space applications.

Stellant operates facilities in locations including Torrance and Williamsport, with additional power systems technology sites in Melville and Topsfield. The company’s combination of components, systems, and testing services supports demanding applications across its markets.