The shielding is the -100dB PAN single skin steel modular type, this system is a highly efficient faraday cage that will prevent internal emissions leaking from the chamber and also exclude external electromagnetic interference (EMI) inside the chamber.
The chamber has a durable paint finish to prevent oxidization (dulling) of the galvanized steel finish.
Filtered power, ventilation panels, penetration panel, internal mains power distribution, power sockets and lighting are all fitted as standard
The anechoic performance (measurement accuracy) would be pre-compliant for the emissions and compliant for the immunity.
Option 1 – The chamber would be fully lined on all walls and ceiling with absorber on the centre floor (only) for field uniformity (immunity) measurements, the emissions would be with a reflective floor to correlate (compare) to Open Area test site (OATS).
An OATS would raise the receive antenna from 1-4m so as to amortize the floor reflections (to differentiate the direct emissions from the floor reflections) but in such a small chamber it is not possible and so will suffer some inaccuracies.
Option 2 – This option has all surfaces lined with anechoic absorbers, so:
Ferrite tiles may be covered with magnetic white wall paper as an option The ferrite tile has some special hybrid pyramidal absorber to enhance the performance at higher frequencies.
Global EMC advocate independent calibration by a competent test body, it is the only way to have a truly valid performance.
High frequency independent calibration (>3GHz) can be expensive as it uses very expensive equipment so it is best to consider cost versus requirements.
