An anechoic chamber (“an-echoic” meaning non-reflective, non-echoing or echo-free) is a room designed to completely absorb reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both aspects means they simulate a quiet open-space of infinite dimension, which is useful when exterior influences would otherwise give false results.

In the RF world, the reflective walls of the shielded room are made “invisible” or “anechoic” by covering them with RF absorbing materials. The most common absorber is a carbon loaded foam pyramid. Sharp tips on the absorbers keep RF waves from bouncing off, allowing the waves to slowly transition from air to the lossy carbon inside of the foam. This gradual taper from tip to core is the secret to RF absorbers. The amount of RF that bounces off of anechoic chamber walls is often 0.1% to 1% (-30 to -20 dB) of the original wave. The low level of reflections in our chamber allow us to accurately measure your antennas gain, efficiency, and radiation patterns

Broadband Pyrimidal Absorbers and Broadband Wedge Absorbers are available from 4″ to 96″. Ferrite absorber is available in flat tile ranging from 5.4 to 6.7 mm thick and grid type is available in 19mm x19mm. Both are 100mm x 100mm.


Key Facts

  • Knife edge recessed contact mechanism
  • Standard R.F. Shielding Effectiveness
  • Low- to medium-traffic applications (<100,000 cycles/year)
  • Standard and custom sizes
  • Simple Operation
  • Semi- and Full-Automation
  • Low maintenance
  • Easy Installation
  • Field reversible door swing and door opening


Key Facts

  • Sliding Operation Compression Type R.F. Seal
  • Redundant Bladder System
  • High R.F. Shielding Effectiveness
  • High traffic applications (>200,000 cycles/year)
  • Standard and custom sizes
  • Full-Automation
  • Standard Safety Sensor
  • Emergency Egress


Key Facts

  • Freestanding construction
  • High shielding performance without deterioration
  • Easy to modify, enlarge or reinstall with conventional hand power tools
  • Optionally supplied as a kit for assembly by the user
  • Easy to mount by skilled local workers


Key Facts

  • Used in recording studios
  • Commendable performance
  • Longer lifespan

Key Facts

  • The acoustic chamber can reduce the noise level up to 25-30%.
  • The enclosures can be easily shifted or transported.

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