Frequency Bands Table


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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}
 
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)
 
 
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
 
 
 
X-Ray
Gamma Ray
10 - 3,000 PHz
> 3,000 PHz
300 - 1 Å
< 1 Å
 
 
 

Units of Measure and Their Prefixes
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)    

© Page Publisher: Duane R. Hurst