Symbol 5140 from IEC 60417 - Title/Meaning: Non-ionizing electromagnetic radiation Function/description: To indicate generally elevated, potentially hazardous, levels of non-ionizing radiation, or to indicate equipment or systems e.g. in the medical electrical area that include RF transmitters or that intentionally apply RF electromagnetic energy for diagnosis or treatment.
Additional information: 
In case of application in a warning sign the rules according to ISO 3864 shall be adhered to
Published in: Supplement L, 1993;3C/1070/FDIS;2002-10-07
Own work using: iso.org/obp/graphics/grs/2667f3e6-576f-4538-adaf-f1516181938d 200.png
Vectorization:  Mrmw