--- title: "Antenna Design & Sustainment: 20 MHz–100 GHz | Randtron" description: Randtron delivers military-approved antenna design, overhaul, and sustainment from 20 MHz–100 GHz—arrays, radomes, rotary couplers, and RWR testing. Contact us. --- [ Skip to content ](https://www.fisica.com/randtron-design-capabilities#main-content) Search the site Search the site - Business Units - [ATI](https://www.fisica.com/ati) - [Datron](https://www.fisica.com/datron-business-unit-page) - [Randtron](https://www.fisica.com/randtron-business-unit-page) - [Space Vector](https://www.fisica.com/space-vector-business-unit-page) - Company - [About Us](https://www.fisica.com/about-us) - [Visit Us](https://www.fisica.com/visit-us) - [Supplier Information](https://www.fisica.com/supplier-information) - [Careers](https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=a6717ebc-f6a8-4a51-856b-f7ebd573645e&ccId=19000101_000001&type=JS&lang=en_US) [Contact Us](https://www.fisica.com/contact-us?hsLang=en) - Business Units - [ATI](https://www.fisica.com/ati) - [Datron](https://www.fisica.com/datron-business-unit-page) - [Randtron](https://www.fisica.com/randtron-business-unit-page) - [Space Vector](https://www.fisica.com/space-vector-business-unit-page) - [About Us](https://www.fisica.com/about-us) - [ATI Flash X-Ray Seminar](https://www.fisica.com/ati-june-seminar) - [About Us](https://www.fisica.com/about-us) - [Visit Us](https://www.fisica.com/visit-us) - [Supplier Information](https://www.fisica.com/supplier-information) - [Careers](https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=a6717ebc-f6a8-4a51-856b-f7ebd573645e&ccId=19000101_000001&type=JS&lang=en_US) [Contact Us](https://www.fisica.com/contact-us?hsLang=en) ![Various products laid on onto a blue background](https://www.fisica.com/hs-fs/hubfs/Website%20Headers%20(6).png?width=3390&height=1600&name=Website%20Headers%20(6).png) ###### FISICA > RANDTRON # Design Capabilities ###### Antennas are what we do ### Large Antenna Arrays & Radomes #### Comprehensive Diagnostics: Complete teardown, feed assembly optimization, and structural restoration of large-scale reflectors. #### Radome Maintenance: Analytical models are rigorously verified and refined using precision-crafted scale models and broadband prototypes to ensure structural and electrical viability.  #### Performance Verification: Full physical validation using in-house far-field and compact ranges to guarantee original gain, beamwidth, and sidelobe performance boundaries are maintained.  ### High-Power Rotary Couplers & Flight Shafts Authorized depot-level overhaul and repair for E-2 and E-3 rotary couplers, protecting critical high-power RF transmission lines. #### Teardown & Evaluation: Rigorous engineering evaluation to pinpoint wear, insertion loss anomalies, or power handling degradation. #### Precision Remanufacturing: Replacement of specialized bearings, high-pressure seals, and critical internal mechanisms, alongside high-reliability slip ring manufacturing.  #### RF Tuning & Acceptance: Extensive high-power testing and impedance matching to match or exceed original specifications. ### Subassemblies & Broadband Antennas Depot-level test, evaluation, and rebuild services for specialized subassemblies, Radar Warning Receiver (RWR) components, and broadband antennas. #### Tracking & Matching: Precise phase and amplitude tracking measurements across wide operational bandwidths. #### Aperture Refurbishment: Precision radome replacement, element rebuilding, and environmental ruggedization. #### Anechoic Validation: Complete radiation pattern verification across dense or contested spectrum profiles using automated data acquisition. ### Field Service & Technical Training On-demand engineering and technician support dispatched worldwide to mitigate operational downtime. #### On-Site Evaluation: Direct deployment to your facility or forward operating location to evaluate asset viability and perform rapid field repairs. #### Specialized Equipment Training: Comprehensive, technically rigorous training programs and full documentation for operator and maintainer personnel. #### Lifecycle Servicing: Ongoing sustainment consulting to optimize material readiness, address component obsolescence, and streamline your supply chain. ### Ensure Fleet Readiness From rapid depot turnarounds to global field support, partner with an agile, military-approved maintainer. (contact form link) today to review your program's sustainment, testing, or training requirements. ![Lower Hero Banner](https://www.fisica.com/hs-fs/hubfs/Lower%20Hero%20Banner.png?width=2880&height=1048&name=Lower%20Hero%20Banner.png) ###### Contact us # Let’s Start the Conversation Whether you’re looking for detailed product information, a custom engineering solution, or partnership opportunities - our experts are here to help. Reach out to discuss your project or request tailored technical support. [Contact Us](https://www.fisica.com/randtron-design-capabilities#) Fisica Applied Technologies, Inc. is a leading defense products manufacturer that designs and manufactures airborne antennas, ground-based antennas and electromagnetic systems and simulators. 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