Helical Communication Technologies (HCT)

Updated 12 Jul 2026
Manufacturer United States Listed
3 Products
2 Services
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About Helical Communication Technologies (HCT)

Helical Communication Technologies (HCT) is a Florida-based antenna manufacturer focused on spacecraft applications. The company designs and produces deployable helical and quadrifilar helix antennas covering VHF, UHF, S-band and higher frequencies.

Its Helios deployable antenna family packs a full-size helical radiator into a compact stowed volume compatible with CubeSat form factors, providing circular polarization and high gain for communication and data-downlink applications.

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Products

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The Helios Deployable Antenna can be customized to operate from 400Mhz to 3000Mhz. The HCT Helios series of antennas can accommodate several operational purposes from near…

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An omni-directional, patent-pending multi-band IoT antenna series covering 100-3000MHz, sized to fit within a 6U satellite chassis and used for satellite and ground-based tracking applications.

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Flight-proven

Deployable Quadrifilar Helical Antenna for LEO small satellites, stowable in 1U-12U modules, covering 350 MHz to 3 GHz with patent-pending deployment mechanism.

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Additional Services

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Testing & qualification
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Anechoic Chamber Testing

HCT offers anechoic chamber testing services for multi-band frequency antennas and communications equipment. This includes access to an anechoic chamber and testing equipment capable of modeling patterns from a wide range of terrestrial and space-based Radio Frequencies. The service is…

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Thermal & Vibration Management

HCT provides services related to thermal and vibration management. This is critical for ensuring the operational integrity and longevity of sensitive communication equipment, especially for applications in space or harsh terrestrial environments where extreme temperatures and mechanical stresses are common.…

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