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Radio Band |
Frequencies |
Wavelengths |
Radar Bands |
NATO Frequency Band Designator |
Other Terminology |
VLF |
.3 - 30 Hz 0.3 - 3 KHz 3 - 30 KHz |
10,000 - 1,000 km 1,000 - 100 km 100 - 10 km |
A A A |
Audio Frequency
Audio Frequency Audio Frequency |
|
LF MF HF VHF |
30 - 300 KHz 0.3 - 3 MHz 3 - 30 MHz 30 - 300 MHz |
10 - 1 km 1,000 - 100 m 100 - 10 m 10 - 1 m |
VHF |
A A A A (< 250 MHz) or B (> 250 MHz) |
Long Wave Medium Wave Short Wave |
{225 - 390 MHz |
1.3 - 0.77 m |
P |
A or B} |
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UHF UHF UHF |
0.3 - 1 GHz 1 - 2 GHz 2 - 3 GHz |
1,000 - 300 mm 300 - 150 mm 150 - 100 mm |
UHF L S |
B (< 0.5 GHz) or C (0.5 - 1.0 GHz) D E |
|
SHF SHF SHF SLF SHF SHF |
3 - 4 GHz 4 - 8 GHz 8 - 12 GHz 12 - 17 GHz 17 - 20 GHz 20-30 GHz |
100 - 75 mm 75 - 37.5 mm 37.5 - 25 mm 25 - 17.5 mm 17.5 - 15 mm 15 -10 mm |
S C X Ku K Ka |
F G (4-6 GHz) or H (6-8 GHz) I (8-10 GHz) of J (10-20 GHz) J J K |
Centimeter Wave Centimeter Wave Centimeter Wave Centimeter Wave Centimeter Wave Centimeter Wave |
EHF EHF EHF |
30 - 40 GHz 40 - 75 GHz 75 - 300 GHz |
10 - 7.5 mm 7.5 - 4 mm 4 - 1 mm |
Ka V W |
K L (40-60 GHz) or M (> 60 GHz) M |
Centimeter Wave Millimeter Wave Millimeter Wave |
Far IR Middle IR Near IR |
0.3 - 10 THz 10 -100 THz 100 - 400 THz |
1,000 - 30 um 30 - 3 um 3,000 - 750 nm |
M (< 1THz) |
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Visible Light Near UV Far UV |
400 - 800 THz 800 - 1,500 THz 1.5 - 10 PHz |
750 - 375 nm 375 - 200 nm 200 - 30 nm |
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X-Ray Gamma Ray |
10 - 3,000 PHz
> 3,000 PHz |
300 - 1 Å < 1 Å |
| Base Unit of Measure | Prefix for Larger Units | Prefix for Smaller Units |
|---|---|---|
| Å = Ångstrom (1/10 billion m or 1/10 nm) | K = Kilo (x 1,000) | mm = milli (x 1/1,000) |
| Hz = hertz (1 cycle per second) | M = Mega (X 1,000,000) | u = micro (X 1/1,000,000) |
| m = meter | G = Giga (x 1,000,000,000) | n = nano (x 1/1,000,000,000) |
| T = Tera (x 1,000,000,000,000) | ||
| P = Peta (X 1,000,000,000,000,000) |
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© Page Publisher: Duane R. Hurst
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