Radome Design for Radar and RF Products

A radome has two jobs that pull in different directions. It must protect the radar or RF electronics behind it from sun, rain, dust, and impact for years, and it must let the signal pass with as little loss and distortion as possible. Material, thickness, and geometry all affect both. SGW designs radomes and RF-transparent enclosures for radar sensors and other RF products. We select materials for RF transparency, UV stability, impact resistance, and sealing, then design the radome geometry, attachment, and seals around the antenna placement and layout constraints set by the electrical team. For Spartan Radar, SGW led the physical system architecture and mechanical design of a vehicle radar sensor and its in-cab display. We selected materials for RF transparency, durability over five to ten years in the sun, sealing, and impact resistance, and worked with the client's electrical engineers to define layout constraints and RF mitigations within the enclosure.

Radome Design for Radar and RF Products

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What goes into a radome

  • Material selection for RF transparency, UV, and impact
  • Wall thickness and geometry relative to the antenna
  • Sealing between the radome and the housing
  • Mounting and alignment features that hold the sensor's position
  • Colors and finishes that do not degrade the signal

Designed with the electronics

Radome decisions depend on antenna placement and board layout, so we work closely with electrical engineering teams on keep-out zones and RF mitigations. Many radar products are sealed and outdoors, so radome design connects directly to enclosure sealing and thermal management.

Testing radar products

Validating a radar product takes a controlled RF environment. We also design RF and millimeter wave test chambers for repeatable testing in a compact footprint. Radome design is part of our RF product engineering services.

Frequently asked questions

What materials work for radar radomes?

Many radomes use engineering plastics selected for their dielectric properties, UV stability, and impact resistance. The right choice depends on operating frequency, environment, and cost.

Do you design the radar antenna or electronics?

Our focus is the physical system: radome, enclosure, mounting, and thermal design. We work alongside your RF and electrical engineers on layout constraints and integration.

Can paint or coatings be used on a radome?

Sometimes. Some coatings, especially metallic paints, can degrade performance. We evaluate finishes with RF performance in mind.

Do you build radome prototypes?

Yes. We build prototypes for RF, environmental, and field testing and refine the design based on results.

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