Radio Frequency Components

We are a trusted partner for radio frequency, microwave, and millimeter-wave components and subsystems, serving global connectivity and security challenges. We have an established market position as an approved supplier of active and passive RF products for space applications.


At Stellant, we’re always looking to push the limit. While our products may serve a prescribed function and market, they can also fulfill yet-to-be imagined or discovered needs. Have a special requirement? Go farther with us and let us rise to the challenge.

  • Space: The Power Behind a Better Satellite

    Our legacy includes being the only domestic supplier of space-qualified TWTs and TWTAs - which can be found onboard more than 200 satellites today.

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  • Defense: Operation and Durability

    Whether in peace or conflict, Stellant’s solutions provide state-of-the-art power, bandwidth, and efficiency for airborne, naval, and ground-based applications.

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With decades of space heritage expertise, advanced design and manufacturing capabilities, Stellant Systems is poised to support market needs and critical application of our customers.

Key Products:

Active Components

  • Solid State Power Amplifiers (SSPAs), including GaAs and GaN technology-based
  • LCAMPs – Linearized Channel Amplifiers
  • LNAs – Low Noise Amplifiers
  • Converters – Stand-alone up and downconverters


Passive Components

  • Filters
  • Power Dividers & Combiners
  • Equalizers
  • Couplers
  • Multiplexers
  • Beam Forming Networks