Radiated susceptibility is the ability of an electrical device to withstand radio frequency electromagnetic fields impinging on its enclosure, power leads, and interconnecting signal conductors.  Also, a term referring to EMI tests wherein the electrical device is subjected to electromagnetic fields impinging on its enclosure, power leads, and, interconnecting signal conductors. 

Radiated susceptibility is called conducted immunity by some agencies. 

The common abbreviation for radiated susceptibility is RS.

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relative permeability