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intermediate frequency

Electromagnetism. The intermediate frequency range is not a clearly defined frequency range; it lies between the low frequency (0.1 Hz–1 kHz) and the radiofrequency (10 MHz–300 GHz). According to the WHO it ranges from 300 Hz to 10 MHz). However, some authors and the EMF-Portal narrow it down a little bit more and define the intermediate frequency range only from up to 1 - 10 kHz.
Applications are anti-theft devices, visual display units containing cathode ray tubes, and radio transmitters. In this frequency range stimulation effects of nerves, muscles, and sensory receptors as well as thermal effects may occur.