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RF & Microwave Absorber Index

Cuming Microwave & TDK, RF & Microwave Absorber

Absorber Type

Frequency Range

Reflectivity

Broadband Pyramidal RF & Microwave Absorber

120 MHz - 50 GHz

≥ 30 dB

Broadband Convoluted (Egg Crate)

3 GHz - 77 GHz

≥ 20 dB

Broadband Convoluted Outdoor & Flow Through

2 GHz - 50 GHz

≥ 20 dB

Clean Room RF & Microwave Absorber

300 MHz - 10 GHz

≥ 30 dB

Corner Block (Lossy Foam)

120 MHz - 50 GHz

≥ 30 dB

Flat Foam Microwave & Radar Absorber

600 MHz - 100 GHz

≥ 12 dB

Cuming FT-10 Ferrite Tile Absorber

30 MHz - 2 GHz

≥ 20 dB

Hollow High Power Pyramidal

30 MHz - 10 GHz

≥ 5 dB

Honeycomb High Power Pyramidal

500 MHz - 18 GHz

≥ 25 dB

Honeycomb Flat Sheet

5 GHz - 18 GHz

≥ 15 dB

MIL-STD 461/462D and RTCA-DO160

80 MHz - 10 GHz

≥ 8 dB

Outdoor Broadband Pyramidal

120 MHz - 50 GHz

≥ 30 dB

TDK Ferrite Tile (Loose Tiles & Panels)

30 MHz - 1.2 GHz

≥ 20 dB

TDK Wide Band Polyethylene 30"

80 MHz - 18 GHz

≥ 20 dB

TDK High Power Microwave 50kw/m˛

1 GHz - 100 GHz

≥ 20 dB

TDK Pyramidal Microwave Polyethylene 700w/m˛

200 MHz - 120 GHz

≥ 20 dB

TDK EMC Wide Band Polystyrene/Ferrite 17"

30 MHz - 40 GHz

≥ 20 dB

TDK EMC Wide Band Polystyrene/Ferrite 37"

30 MHz - 40 GHz

≥ 25 dB

TDK EMC Wide Band Polystyrene/Ferrite 51"

30 MHz - 40 GHz

≥ 30 dB

TDK EMC Wide Band White Ferrite Wedge <3"

30 MHz - 18 GHz

≥ 20 dB

Ventilation Duct Broadband Pyramidal

120 MHz - 50 GHz

≥ 30 dB

Walkway Absorber

120 MHz - 50 GHz

≥ 30 dB

Wedge Absorber

500 MHz - 50 GHz

≥ 30 dB


Cuming Microwave has a full line of microwave absorber, radar absorber, anechoic chamber and dielectric materials. Our absorbers have been used in many demanding applications from suppression of unwanted resonances in electronic housings to radar cross section reduction on military platforms. We have a wide variety of microwave absorbers and radar absorbers suited for aircraft, shipboard, electronics or RF testing.

For nearly four decades, Cuming Microwave has been at the forefront of designing and developing high quality microwave absorber, RF and radar absorber materials for military, anechoic chamber testing and civilian projects alike. No matter what the size or technical challenges you face, Cuming Microwave has probably lent a helping hand in supplying, designing or building a similar project in the past. For over 40 years we pride ourselves on our relentless pursuit to improve upon what others may have thought was “good enough.” As a global supplier of microwave absorber materials, we don’t shy away from special, custom requests; we encourage them and thrive as an innovator of unique products. As technology changes, so do our microwave absorber products lines. This is what has separates Cuming Microwave from the competition.


TDK is the only company that manufactures both the ferrite tile and the complementary foam absorber. This is both advantageous and critical for both low and high frequency performance, high power dissipation, and broadband behavior. TDK uses very sophisticated manufacturing techniques to create both our ferrite and our foam absorber materials. These techniques allow us to control every parameter of the materials which impact performance and safety. By adhering to strict quality production checks throughout the creation process, we can bypass many time consuming and unnecessary steps (e.g. having to measure each piece of absorber product for size tolerance and RF parametric
compliance). The result is a much more efficient production process with a higher yield rate for absorber products.



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