WEBSITE: Exposure to Man-made Non-Ionizing Electromagnetic Radiation, h.e.s.e. project www.hese-project.org/hese-uk/en/niemr/ Remember: if it communicates w/o wires, it&#x27;s probably a microwave connection. The acronym EMF is widely used to express the exposure to electromagnetic fields. The exposure to EMF covers a wide frequency range (0 Hz - 300 GHz)--also known as electromagnetic radiation (EMR) or electromagnetic energy (EME).