Emission

Refers to electromagnetic waves emitted from electronic devices that negatively affect other electronics and electronic equipment; a type of radiated noise and a synonym for EMI. According to the JIS standard, electromagnetic interference caused by emissions is defined as "an electromagnetic phenomenon that may degrade the performance of equipment, devices, or systems and may have adverse effects on all things, whether living or non-living." The impact on electrical and electronic equipment from external emissions is referred to as immunity.