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Sources of electromagnetic fields

Read about the most important properties of technological sources of electromagnetic fields encountered in everyday life, and use this information to compare different field sources.

Name Frequency ranges
EAS System
  • 10 Hz–20 kHz
  • 58–134 kHz
  • 4.9 MHz
Earphones
  • 0 Hz
  • 30 Hz–20 kHz
  • 2.4–2.5 GHz
Eccentric grinder
  • 50–60 Hz
Electric blanket
  • 50–60 Hz
Electric bulb no frequencies listed
Electric car
  • 2 Hz–3 kHz
Electric carving knife
  • 50–60 Hz
Electric dry shaver
  • 0 Hz
  • 50–60 Hz
Electric grill
  • 50–60 Hz
Electric hauler
  • 2 Hz–3 kHz
Electric power transformer substation
  • 50–60 Hz
Electric screwdriver
  • 50–60 Hz
Electric steam sterilizer (for baby bottles)
  • 50–60 Hz
Electric toothbrush
  • 1 Hz–2 kHz
  • 50–60 Hz
Electric vehicles
  • 2 Hz–3 kHz
Electromagnetic EAS system
  • 10 Hz–20 kHz
Electronic Article Surveillance
  • 10 Hz–20 kHz
  • 58–134 kHz
  • 4.9 MHz
Energy-saving bulb
  • 50–60 Hz
  • 45–60 kHz
Energy-saving light
  • 50–60 Hz
  • 45–60 kHz
Entertainment electronics
  • 0 Hz
  • 30 Hz–20 kHz
Epilator
  • 50–60 Hz
Extended GSM base station
  • 880–915 MHz
  • 925–960 MHz
Extended-GSM mobile phone
  • 880–915 MHz
  • 925–960 MHz
Extractor fan
  • 50–60 Hz
Extractor hood
  • 50–60 Hz