RF(Radio Frequency) Spectrum
RF(Radio Frequency)
Spectrum
Name
|
Symbol
|
Freq. Range
|
Wavelength
|
Applications
|
Extremely
Low Frequency
|
ELF
|
3-30Hz
|
10,000-1,00,000Km
|
1.
Directly audible when converted to sound(>20Hz).
|
Super Low
Frequency
|
SLF
|
30-300Hz
|
1,000-10,000Km
|
1.
Directly audible when converted to sound.
2.
AC power grids.
|
Ultra Low
Frequency
|
ULF
|
300-3000Hz
|
100-1,000Km
|
1.
Directly audible when converted to sound.
2.
Communication with mines.
|
Very Low Frequency
|
VLF
|
3KHz-30KHz
|
10-100Km
|
1.
Directly audible when converted to sound(<20KHz).
2.
Ultra sound.
|
Low
Frequency
|
LF
|
30KKHz-300kHz
|
1-10Km
|
1.
AM broadcasting
2.
Navigation purpose
|
Medium
Frequency
|
MF
|
300-3000KHz
|
100-1000m
|
1.
Am broadcasting
2.
Navigation Purpose
|
High
Frequency
|
HF
|
3-30MHz
|
10-100m
|
1.
Shortwave radio
2.
Citizen band radio
|
Very high
Frequency
|
VHF
|
30-300MHz
|
1-10m
|
1.
FM & TV broadcasting
2.
Navigation, GPS
|
Ultra High
Frequency
|
UHF
|
300MHz-3000MHz
|
10-100cm
|
1.
TV broadcasting
2.
Mobile Telephone, Cordless Telephone
3.
Wireless networking, GPS
|
Super high
Frequency
|
SHF
|
3-30GHz
|
1-10cm
|
1.
Satellite
2.
Microwaves
3.
Door Openers
|
Extremely
High Frequency
|
EHF
|
30-300GHz
|
1-10nm
|
1.
Microwave
2.
Radio Astronomy
3.
Advanced weapon & Security system
|
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