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ITU Bands

Frequency Range Wavelength Range (VF = 1)
Band No. Band Designation Lower Upper Lower Upper
1 ELF (Extremely Low Frequency) 3 Hz 30 Hz 99,931 km 9,993 km
2 SLF (Super Low Frequency) 30 Hz 300 Hz 9,993 km 999 km
3 ULF (Ultra Low Frequency) 300 Hz 3 kHz 999 km 100 km
4 VLF (Very Low Frequency) 3 kHz 30 kHz 100 km 10 km
5 LF (Low Frequency) 30 kHz 300 kHz 10 km 1 km
6 MF (Medium Frequency) 300 kHz 3 MHz 1 km 100 m
7 HF (High Frequency) 3 MHz 30 MHz 100 m 10 m
8 VHF (Very High Frequency) 30 MHz 300 MHz 10 m 1 m
9 UHF (Ultra High Frequency) 300 MHz 3 GHz 1 m 10 cm
10 SHF (Super High Frequency) 3 GHz 30 GHz 10 cm 10 mm
11 EHF (Extremely High Frequency) 30 GHz 300 GHz 10 mm 1 mm
12 THF (Tremendously High Frequency) 300 GHz 3 THz 1 mm 0.1 mm

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