| |
1 |
RF |
|
100
- 1011 Hz |
|
RADIO
[ < 3 x 1011 Hz ] |
| |
2 |
ELF |
|
102
- 103 Hz |
|
extremely low frequency |
| |
3 |
ULF |
|
1 - 10
KHz |
|
ultra low frequency |
|
4 |
VLF |
|
10 - 30 KHz |
|
very low frequency |
| |
5 |
|
|
|
|
aviation & maritime radio communication |
|
6 |
LF
(LW) |
|
30 - 300 KHz |
|
low frequency (long wave) |
| |
7 |
MF
(MW) |
|
300 -
3,000 KHz |
|
medium frequency (medium wave) |
|
8 |
|
|
|
|
standard AM radio broadcast ( 535 - 1605 KHz ) |
| |
9 |
HF
(SW) |
|
3 - 30
MHz |
|
high frequency (short wave) |
|
10 |
|
|
|
|
short-wave radio broadcast |
| |
11 |
|
|
|
|
citizens band (CB) radio ( 27MHz ) |
|
12 |
VHF |
|
30 - 300 MHz |
|
very high frequency |
| |
13 |
|
|
|
|
cordless devices ( 43.69 - 50 MHz ) |
|
14 |
|
|
|
|
VHF television ( 54 - 72 & 76 - 88 MHz ) |
| |
15 |
|
|
|
|
FM radio broadcast ( 88 - 108 MHz ) |
|
16 |
|
|
|
|
VHF aviation ( 118 - 137 MHz ) |
| |
17 |
|
|
|
|
VHF ham radio ( 144 -148 MHz ) |
|
18 |
|
|
|
|
VHF television ( 174 - 216 MHz ) |
| |
19 |
UHF |
|
300 -
3,000 MHz |
|
ultrahigh frequency |
|
20 |
|
|
|
|
UHF ham radio ( 420 - 450 MHz ) |
| |
21 |
|
|
|
|
UHF television ( 470 - 608 & 614 - 806 MHz ) |
|
22 |
|
|
|
|
cellular telephones ( 824 - 849 & 869 - 894 MHz ) |
| |
23 |
|
|
|
|
personal communications services |
|
24 |
|
|
|
|
industrial-scientific-medical band ( 902 - 928 MHz ) |
| |
25 |
|
|
|
|
global positioning system ( 1227 & 1575 MHz ) |
|
26 |
|
|
|
|
search for extraterrestrial ( 1420 - 1660 MHz ) |
| |
27 |
|
|
|
|
satellite phones (1525 - 1559 & 1626 - 1660 MHz ) |
|
28 |
|
|
|
|
personal communications services |
| |
29 |
|
|
|
|
digital audio radio services (2320 - 2345 MHz ) |
|
30 |
|
|
|
|
industrial-scientific-medical band ( 2400 MHz ) |
| |
31 |
|
|
|
|
wireless cable ( 2500 - 2690 MHz ) |
|
32 |
SHF |
|
3,000 - 30,000 MHz |
|
super-high frequency |
| |
33 |
|
|
|
|
industrial-scientific-medical band ( 5700 MHz ) |
|
34 |
EHF |
|
30,000 - 300,000 MHz |
|
extremely high frequency |
| |
35 |
|
|
300
- 3,000 GHz |
|
MICROWAVE
[ 3 x 1011 - 1013 Hz ] |
|
36 |
|
|
30 - 15 cm |
|
L-band
radar |
| |
37 |
|
|
15 - 8
cm |
|
S-band
radar |
|
38 |
|
|
8 - 4 cm |
|
C-band
radar |
| |
39 |
|
|
4 - 2.5
cm |
|
X-band
radar |
|
40 |
|
|
2.5 - 0.75 cm |
|
K-band
radar |
| |
41 |
IR |
|
1,000
- 0.77 microns |
|
INFRARED
( radiant
heat ) [ 1013
- 1014
Hz ] |
|
42 |
FIR |
|
1,000 - 20.00 microns |
|
far infrared |
| |
43 |
MIR |
|
20.00 -
1.50 microns |
|
middle infrared |
|
44 |
NIR |
|
1.50 - 0.77 microns |
|
near infrared |
| |
45 |
|
|
|
|
black ( no visible light ) |
|
46 |
|
|
|
|
ebony |
| |
47 |
VIS |
|
7,700
- 3,900 angstrom |
|
VISIBLE
light
[ 4 - 7.5 x 1014
Hz ] |
 |
|
48 |
|
|
|
|
█
white ( broad mix of visible
wavelengths ) |
| |
49 |
|
|
|
|
ivory / platinum / silver / gray |
|
50 |
|
|
7,700 -
6,220 angstrom |
|
█
red
[ 389 - 482 THz ] |
| |
51 |
|
|
|
|
maroon / crimson / carmine / vermilion / scarlet |
|
52 |
|
|
|
|
█
pink |
| |
53 |
|
|
|
|
cerise |
|
54 |
|
|
|
|
taupe /
drab / sepia / puce / dun / umber |
| |
55 |
|
|
|
|
█
brown |
| |
56 |
|
|
|
|
auburn / bay / sorrel / sienna / russet |
|
57 |
|
|
|
|
tawny / tan / khaki / beige / ecru |
| |
58 |
|
|
6,220 -
5,870 angstrom |
|
█
orange
[ 482 - 502 THz ] |
|
59 |
|
|
|
|
gold / amber / ocher / saffron / coral / buff / flaxen |
| |
60 |
|
|
5,970 -
5,770 angstrom |
|
█
yellow
[ 502 - 520 THz ] |
|
61 |
|
|
|
|
citron / chartreuse |
| |
62 |
|
|
|
|
hazel / olive / loden / terre-verte / celadon / verdant |
|
63 |
|
|
5,770 - 4,920 angstrom |
|
█
green
[ 520 - 609 THz ] |
| |
64 |
|
|
|
|
viridian / turquoise / cobalt / aqua / cyan / teal |
|
65 |
|
|
4,920 - 4,550 angstrom |
|
█
blue
[ 609 - 659 THz ] |
| |
66 |
|
|
|
|
indigo / perse / ultramarine / cerulean / azure / lapis-lazuli |
|
67 |
|
|
4,550 - 3,900 angstrom |
|
█
violet
[ 659 - 769 THz ] |
| |
68 |
|
|
|
|
lavender / orchid / lilac / amethyst / purple |
|
69 |
|
|
|
|
mauve / fuchsia / magenta / burgundy / aubergine |
| |
70 |
|
|
|
|
█ black ( no visible light ) |
| |
71 |
|
|
|
|
ebony |
| |
72 |
UV |
|
3,900 -
100 angstrom |
|
ULTRAVIOLET *
[ 1015 - 1018 Hz ] |
| |
73 |
NUV |
|
3,900 -
3,000 angstrom |
|
near ultraviolet ( 390 - 300
nm ) |
|
74 |
MUV |
|
3,000 - 2,000 angstrom |
|
middle ultraviolet ( 300 - 200 nm ) |
| |
75 |
FUV |
|
2,000 -
1,000 angstrom |
|
far ultraviolet
( 200 - 100 nm ) |
|
76 |
EUV |
|
1,000 - 100
angstrom |
|
extreme ultraviolet ( 100 - 10 nm ) |
| |
77 |
|
|
100
- 0.01 angstrom |
|
X-RAYS *
[ 1018 - 1020 Hz ] |
| |
78 |
|
|
5 x 104
- 1015 eV |
|
GAMMA RAYS *
[ 1020 - 1030 Hz ] |
| |
|
|
|
|
|
* Ionizing radiation |
|
For more information see the U.S.
Department of Commerce NTIA Office
of Spectrum Management |
