Ranatec presents its new high-performance RI 4901 EMI Ventilation Panel

EMI ventilation panel for shielding applications | Ranatec

Gothenburg, Sweden, April 28th, 2021 — Ranatec, a part of the Qamcom Technology AB group and supplier of specialized test and measurement equipment for RF and microwave applications, today announced its latest product innovation, the RI 4901 EMI ventilation panel. Developed for test houses and wireless device vendors, the high-performance EMI ventilation panel provides a robust 105 dB shielding efficiency of up to 9 GHz. The new panel has already been delivered to major Telecom customers in Europe and the US.

“Our new RI 4901 high-performance EMI ventilation panel puts Ranatec one step closer to be the “one-stop-shop” for RF-shielding test and measurement, says Magnus Kilian, CEO at Ranatec. The RI 4901 furthers Ranatec’s commitment to providing state-of-the-art, modern products and services to fit the evolving needs of our global customer base.”

Sold separately or as an accessory to the Ranatec RF-box, the Ranatec RI 4901 EMI ventilation panel is designed for use in the most demanding shielding applications. Delivering up to 9 GHz the shielding efficiency is 105 dB. The panel is designed to fit 80×80 mm standard computer fans.


  • 105 dB shielding up to 9 GHz
  • Fit standard fans, 80×80 mm
  • Easy to mount


  • Shielding, up to 9 GHz                       105 dB
  • Shielding, 20 GHz                               90 dB
  • Shielding, 40 GHz                               70 dB
  • Dimensions (WxLxT)                          85x85x9 mm
  • Mass                                                      0.08 kg
  • Material                                                Aluminium


The Ranatec EMI ventilation panel is typically mounted on shielded boxes or shielded rooms in combination with a ventilation fan. The ventilation panel enables outstanding ventilation of shielded boxes while maintaining superior RF/EMI shielding.

Quality assurance

Ranatec is ISO9001:2015 certified and offers specialist services within eight defined domains to a global customer base including the world’s leading electronics manufacturers.

About Ranatec

A part of the Qamcom Group, Ranatec is the progressive creator of niche test and measurement equipment for the most demanding RF and microwave applications. Together with our clients and partners, we cultivate advancement within signal management to test, measure, filter, or block signals. Based on a commitment to constant development and improvement, we aim to make our clients and their products better through inventive solutions for design verification, product certification, production testing, and expert troubleshooting. 

Partnering with leading global brands, Ranatec products are created to provide the newest advancements in test design and satisfy the highest demands for performance and quality. Our global family of customers includes electronics manufacturers and test labs within cellular infrastructure, mobile phone, and radar system industries. Off-the-shelf or full customization, Ranatec offers innovative solutions for Wireless Test Automation, RF/EMC Shielding, and Radar Testing. ISO9001:2015 certified Ranatec is compliant with the most stringent ISO requirements. Visit us at ranatec.com and follow our latest news on LinkedIn and Twitter.

If you would like more information about this topic, please call Media Contact, Leslie Johnsen at +47 41458043, or Leslie.johnsen@ranatec.com. Or, Magnus Kilian, CEO at Ranatec, at +46 703 00 50 15, or magnus.kilian@ranatec.com.

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