NF C91-004-21*NF EN 61000-4-21:2011 Electromagnetic compatibility (EMC) - Part 4-21 : testing and measurement techniques - Reverberation chamber test methods.
2011NF C91-004-21*NF EN 61000-4-21:2011 Electromagnetic compatibility (EMC) - Part 4-21 : testing and measurement techniques - Reverberation chamber test methods.