Radio Frequency Designations

Frequency Range Meters ITU Band Designator Wave Type Range Name
< 3 Hz
3-30 Hz
30-300 Hz
300-3000 Hz
3-30 kHz
30-300 kHz
300-3000 kHz
3-30 MHz
30-300 MHz
300-3000 MHz
3-30 GHz
30-300 GHz
300-3000 GHz
3-30 THz
30-300 THz
300-3000 THz
3-30 PHz
30-300 PHz
300-3000 PHz
3-30 EHz
30-300 EHz
300-3000 EHz
3-30 ZHz
30-300 ZHz
300-3000 ZHz
3-30 YHz
30-300 YHz
300-3000 YHz
 1,000,000 - 100,000 km
100,000 - 10,000 km
10,000 - 1,000 km
1,000 - 100 km
100 - 10 km
10 km - 1 km
1 km - 100 m
100 - 10 m
10 - 1 m
1 m - 10 cm
10 - 1 cm
1 cm - 1 mm
1 mm - 100 µm
100 µm - 10 µm
10 µm - 1 µm
1 µm - 100 nm
100 nm - 10 nm
10 nm - 1 nm
1 nm - 100 pm
100 pm - 10 pm
10 pm - 1 pm
1 pm - 100 fm
100 fm - 10 fm
10 fm - 1 fm
1 fm - 100 am
100 am - 10 am
10 am - 1 am
1 am - 100 zm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 Infra-Sonic
Infra-Sonic
Sonic
Sonic
Sonic
Ultra-sonic
Ultra-sonic
Ultra-sonic
Ultra-sonic/Microwave
Microwave
Microwave
Microwave
Microwave
Infrared
Infrared/Visible
Visible/Ultraviolet
Ultraviolet
X-Ray/Ultraviolet
X-Ray/Gamma Ray
X-Ray/Gamma Ray
X-Ray/Gamma Ray
X-Ray
X-Ray
Cosmic Ray
Cosmic Ray
Cosmic Ray
Cosmic Ray
Cosmic Ray
 TLF (Tremendously Low Freq.)
ELF (Extremely Low Freq.)
SLF (Super Low Freq.)
ULF (Ultra Low Freq.)
VLF (Very Low Freq.)
LF (Low Freq.)
MF (Medium Freq.)
HF (High Freq.)
VHF (Very High Freq.)
UHF (Ultra High Freq.)
SHF (Super High Freq.)
EHF (Extremely High Freq.)
THF (Tremendously High Freq.)
(Wave Type ranges are estimates.)

Notes:
Hz = Hertz
kHz = Kilohertz -> 103
MHz = Megahertz -> 106
GHz = Gigahertz -> 109
THz = Terahertz -> 1012
PHz = Petahertz -> 1015
EHz = Exahertz -> 1018
ZHz = Zettahertz -> 1021
YHz = Yottahertz -> 1024

km = Kilometer -> 103
m = Meter 
cm = Centimeter -> 10-2
mm = Millimeter -> 10-3
µm = Micrometer -> 10-6
nm = Nanometer -> 10-9
pm = Picometer -> 10-12
fm = Femtometer -> 10-15
am = Attometer -> 10-18
zm = Zeptometer -> 10-21
ym = Yoctometer -> 10-24