Anechoic Chambers
Shielded Chambers,
Screened Rooms
& Faraday Cages
Anechoic Absorbers
Shielding materials & shielding components

Free Space Anechoic Test Chambers

Fully Anechoic Test Chambers
Download pdf version of this page download Fully Anechoic Test Chambers
The facts about... Anechoic Chambers"
The function of a fully anechoic chamber is to copy free space, that is, to have zero reflections from the test chamber walls, of course zero is not possible but as close to zero is the aim.
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Global EMC have built many fully anechoic test chambers for:



Global EMC offer only the best shielding systems and anechoic materials. All anechoic materials meet the fire safety standard NRL8093 parts:


  1. Electrical stress test
  2. Hot poker test
  3. Surface flame propagation (self extinguish)

All anechoic materials are ‘Halogen free’ in their construction, certificates can be provided.


fully anechoic text chamber

Above photograph – Conformitas Gmbh of Germany performing the VSWR test dynamically searching for reflections as per the VSWR test procedure (copy of the VSWR test procedure is available)


Global EMC can calculate the quiet zone (QZ) in terms of frequency and size so that the optimum performance can be achieved with the best cost solution.