# MAJR Products
> Standard \& Custom EMI / RFI shielding products for government, military, aerospace, telecom, computers, medical devices, \& commercial electronics\.
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## Pages
- [New Home 2026](https://www.majr.com/new-home-2026/)
- [MAJR Products Representatives \& Distributors](https://www.majr.com/majr-distributors-advanced/)
- [Industries](https://www.majr.com/industries/)
- [Data Centers](https://www.majr.com/data-centers/)
- [EMI Gaskets](https://www.majr.com/emi-gaskets/)
## Posts
- [Evaporative Cooling, Ventilation, and EMI Shielding in Data Centers](https://www.majr.com/evaporative-cooling-ventilation-and-emi-shielding-in-data-centers/): Discover how evaporative cooling, ventilation, and EMI shielding work together in data centers—and how honeycomb waveguide panels maintain airflow without compromising protection\.
- [Shielding R\&R: Retrofits and Reverse Engineering](https://www.majr.com/shielding-retrofits-and-reverse-engineering/): Learn how updating legacy systems to meet today’s EMI, RFI, and EMP shielding standards is made simple with MAJR’s retrofitting and reverse engineering\.
- [White Paper – How Military\-Grade Shielding Strategies Protect Government and Commercial Data Centers From EMI \& RFI](https://www.majr.com/white-paper-data-center-shielding/)
- [EMI Shielding: Big Protection for Small Enclosures](https://www.majr.com/emi-shielding-big-protection-for-small-enclosures/)
- [Inside Out: EMP \& HEMP Shielding for Power Substations](https://www.majr.com/inside-out-emp-hemp-shielding-for-power-substations/)
## Media
- [majr\-products\-home\-slider\-emi\-rfi\-hardened\-enclosure](https://www.majr.com/wp-content/uploads/2026/07/majr-products-home-slider-emi-rfi-hardened-enclosure.jpg): Enclosure Shielding
- [majr\-products\-home\-slider\-medical\-devices](https://www.majr.com/wp-content/uploads/2026/07/majr-products-home-slider-medical-devices.jpg): Medical Device Shielding
- [majr\-products\-home\-slider\-tempest\-shielding](https://www.majr.com/wp-content/uploads/2026/07/majr-products-home-slider-tempest-shielding.jpg): TEMPEST Shielding
- [majr\-products\-home\-slider\-scif\-shielding](https://www.majr.com/wp-content/uploads/2026/07/majr-products-home-slider-scif-shielding.jpg): SCIF Shielding
- [majr\-products\-home\-slider\-honeycomb\-waveguide\-panels](https://www.majr.com/wp-content/uploads/2026/07/majr-products-home-slider-honeycomb-waveguide-panels.jpg): HVAC Waveguide Shielding
## Products
- [Conductive Silicone](https://www.majr.com/product/conductive-silicone/): \Series No\. 5000\
MAJR Products’ Conductive Silicone is a molded silicone filled with conductive inert particles\. It provides high electrical conductivity, broadband shielding and moisture sealing\.
Conductive Silicone are manufactured in sheets, extrusions, strips and custom molded parts\.
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- [HVAC Waveguide Panels](https://www.majr.com/product/hvac-waveguide-panels/): \EMI/RFI Shielded HVAC Waveguide Ventilation Panels 3000 Series\
MAJR’s HVAC waveguide panels are designed to provide optimum EMI/RFI shielding with minimum pressure drop while ventilating air\.
The special honeycomb media is designed to allow air to flow into and out of EMI/RFI shielded areas, typically through standard or custom sized ducts and secure room apertures\. This honeycomb media helps facilitate the cooling of electronics and sensitive equipment as well as providing needed air circulation for manned military shelters, SCIFS and secure rooms and buildings\. Our HVAC Waveguide panels can be provided in a variety of materials and configurations to meet specific requirements such as ICS / ICD 705 compliance\.
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- [Honeycomb Waveguide Panels](https://www.majr.com/product/honeycomb-waveguide-panels/): \EMI/RFI Shielded Ventilation Panels 3000 Series\
MAJR’s Honeycomb Waveguide panels are designed to provide optimum EMI/RFI shielding with minimum pressure drop while ventilating air\.
The special honeycomb media is designed to allow air to flow into and out of EMI/RFI shielded areas, typically through standard or custom sized ducts and secure room apertures\. This honeycomb media helps facilitate the cooling of electronics and sensitive equipment as well as providing needed air circulation for manned military shelters, SCIFS and secure rooms and buildings\. Our Honeycomb Waveguide panels can be provided in a variety of materials and configurations to meet specific requirements such as ICS / ICD 705 compliance\.
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- [Honeycomb Ventilation Panels](https://www.majr.com/product/honeycomb-ventilation-panels/): \EMI/RFI Shielded Ventilation Panels 3000 Series\
\MAJR’s line of ready\-to\-install EMI/RFI \\honeycomb ventilation panels\\ provide optimum EMI/RFI shielding with minimum pressure drop for the ventilating air\. Shielded vent panel effectiveness is accomplished using waveguide honeycomb design principles\.\
\Choosing the right \\Honeycomb Ventilation Panels\\ that will best meet your design considerations is based on three main criteria: shielding, air flow and mounting\. For most applications, aluminum code\-32 honeycomb \(properly installed using MAJR’s mounting frame with integral EMI/RFI gasket\) will provide a degree of attenuation that will be within specification limits \(see table 1\)\. However, for the lower frequency range \(H\-field\), it may be necessary to specify MAJR’s material tin plated steel code\-44\.\
Their special design lets air flow into and out of an EMI/RFI shielded enclosure\. This feature allows for the cooling of electronics as well as air circulation for manned military shelters as well as electronic boxes and cabinets\. The circulating air can also be used to either heat or cool an area depending on the external environment\.
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