Electromagnetic Spectrum Frequency (Hertz)102 104105 10 10 10 11 12 1011101210 1310 1410 ELF VF VLF LF MF HF VHF UHF SHFEHF Power and telephone Radio Microwave Infrared Visible Rotating generators Radios and televisions Radar asers light Musical instruments Electronic tubes Microwave antennas Guided missiles Voice microphones Integrated circuits Magnetrons Rangefinders Cellular Telephony Twisted Pair Optical Fiber axial cable AM Radio FM Radio Terrestrial and TVand Satellite Transmission Wavelength 10 10 10010-110 3 10 10 In space (meters) ELF EXtremely low frequency MF Medium frequency UHF Ultrahigh frequency VF Voice frequency HF = High frequency SHF = Superhigh frequency VLF Very low frequency VHF Very high frequency EHF Extremely high frequency3 Electromagnetic Spectrum