Reference : Frequency Bands
Radio Frequency (RF) spectrum
| Band name |
ITU Band |
Frequency |
Wavelength |
| Extremely Low Frequency |
ELF |
3–30 Hz |
100,000 km – 10,000 km |
| Super Low Frequency |
SLF |
30–300 Hz |
10,000 km – 1000 km |
| Ultra Low Frequency |
ULF |
300–3000 Hz |
1000 km – 100 km |
| Very Low Frequency |
VLF |
3–30 kHz |
100 km – 10 km |
| Low Frequency / Long Wave |
LF/LW |
30–300 kHz |
10 km – 1 km |
| Medium Frequency / Medium Wave |
MF/MW |
300–3000 kHz |
1 km – 100 m |
| High Frequency / Short Wave |
HF/SW |
3–30 MHz |
100 m – 10 m |
| Very High Frequency |
VHF |
30–300 MHz |
10 m – 1 m |
| Ultra High Frequency |
UHF |
300–3000 MHz |
1 m – 100 mm |
| Super High Frequency |
SHF |
3–30 GHz |
100 mm – 10 mm |
| Extremely High Frequency |
EHF |
30–300 GHz |
10 mm – 1 mm |
Microwave spectrum (IEEE Standard 521-1984)
| Band Name |
Frequency (GHz) |
Wavelength (centimeters) |
| L band |
1 - 2 |
30.0 to 15.0 |
| S band |
2 - 4 |
15 to 7.5 |
| C band |
4 - 8 |
7.5 to 3.8 |
| X band |
8 - 12 |
3.8 to 2.5 |
| Ku band |
12 - 18 |
2.5 to 1.7 |
| K band |
18 - 27 |
1.7 to 1.1 |
| Ka band |
27 - 40 |
1.1 to 0.75 |
| V band |
40 - 75 |
0.75 to 0.40 |
| W band |
75 - 110 |
0.40 to 0.27 |
The following EM bands in infrared zone are least known, but
listed here for your knowledge.
Infrared light
| Infrared zone |
Name |
Frequency |
Wavelength |
| Far Infrared |
FIR |
300 GHz - 30 THz |
1 mm - 10 μm |
| Mid Infrared |
MIR |
30 - 120 THz |
10 - 2.5 μm |
| Near Infrared |
NIR |
120 - 400 THz |
2,500 - 750 nm |
|
