Pyramidal RF Anechoic Chamber material 30cm

Broadband Pyramidal Microwave Foam Absorber

DMC offers premium quality high performance Polyurethane (PU) Pyramidal Broadband Microwave Foam absorber made of carbon impregnated low density Polyurethane foam and comes in various size and color. Our PY-MI series absorbers provide excellent performance in normal incidence and off angle incidence with high power handling in order to provide optimal performance and support wide frequency bands of operation up to 110 GHz.

Pyramidal Broadband Microwave Foam Absorber Features:

Frequency range 80MHz to 110GHz
Typical reflectivity as high as -50dB
Power handling capacity 1.5kW/m²,540 V/m CW Radiated field strength
Fire Retardant per NRL-8093 1,2,3, UL 94 and DIN 4102-B2
Continuous working temperature up-to 90°C
RoHS Compliant
Zero Carbon dust

Part number reference:

DMC-PU-PY-MI-50, DMC-PU-PY-MI-100, DMC-PU-PY-MI-200, DMC-PU-PY-MI-300, DMC-PU-PY-MI-500, DMC-PU-PY-MI-700, DMC-PU-PY-MI-1000

Datasheet

Request Quote

TYPICAL REFLECTIVITY AT NORMAL INCIDENCE OVER FREQUENCY RANGE IN dB

Model Number	30 MHz	80 MHz	300 MHz	500 MHz	1 GHz	3 GHz	6 GHz	10 GHz	18 GHz	40 GHz	110 GHz
DMC-PU-PY-MI-50							30	35	40	50	45
DMC-PU-PY-MI-100						30	35	40	45	50	45
DMC-PU-PY-MI-200					27	35	40	45	50	50	48
DMC-PU-PY-MI-300				25	35	40	50	50	50	50	47
DMC-PU-PY-MI-500			20	30	40	45	50	50	50	50	48
DMC-PU-PY-MI-700		8	25	35	40	50	50	50	50	50	48
DMC-PU-PY-MI-1000		11	30	40	45	50	50	50	50	50	47
DMC-PU-PY-MI-1200	5	13	35	40	45	50	50	50	50	50	47

DMC-PU-PY-MI-300

DMC-PU-PY-MI-500

DMC-PU-PY-MI-700

Pyramidal RF Microwave Anechoic Absorber 700mm

4.7

4.7 out of 5 stars (based on 6 reviews)

Excellent67%

Very good33%

Average0%

Poor0%

Terrible0%

Reliable Solution for EMC and Antenna Testing

March 13, 2026

We needed a reliable chamber for EMC and antenna performance testing, and DMCRF provided exactly what we were looking for. The chamber’s RF shielding and absorber layout provide excellent isolation from external signals. Highly recommended for research labs and testing facilities.

Liam Thompson

High Quality Engineering and Design

March 13, 2026

DMCRF delivered a well-designed anechoic chamber tailored to our RF testing requirements. The absorber quality, shielding performance, and structural design are outstanding. Our team has noticed a significant improvement in measurement accuracy since the installation.

Benjamin Clark

Excellent Signal Integrity Support

March 13, 2026

With sharp selectivity and minimal insertion loss, the filters help reduce noise and interference in both test and real‑world systems.

Adele

Wide Frequency Coverage & Custom Options

March 13, 2026

Supporting MHz to multi‑GHz ranges with low VSWR and selectable configurations, these filters fit diverse RF applications.

David Suzuki

High‑Performance RF Filtering Solution

March 13, 2026

These RF filters effectively block unwanted frequencies while passing the desired band, improving signal clarity in RF systems.

William