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Bands in Radio frequency Spectrum in C program
Radio frequency (RF) is the oscillation of an A.C. current or an A.C. voltage or any other oscillating body in the frequency range of 20KHz to 300 GHz.
Radio frequency spectrum of a device is the frequency range that the device can capture, process or repercate. Generally the frequency range is 20Hz to 20KHz.
A band is a frequency range that is divided from very low frequency to extremely high frequency. These bands are small ranges of frequency that are used to provide small parts of the spectrum.
Bands In Radio Frequency Spectrum
Frequency Range is range of continuous that has an upper limit of the frequency. In radio frequency spectrum, there are multiple frequency ranges which are different from another.
In Radio frequency spectrum, the below ranges are defined based on their frequency range, application, etc.
BANDS | FREQUENCY RANGE | PROPAGATION MEDIUM | APPLICATION |
---|---|---|---|
VLF (very low frequency) | 3KHz to 30KHz | Ground | Used in radio navigation within close range. |
LF (low frequency) | 30KHz to 300KHz | Ground | Used in radio navigation and broadcasting. |
MF(medium frequency) | 300KHz to 3MHz | Sky | Broadcasting, A.M. radio |
HF (high frequency) | 3MHz to 30Mhz | Sky | Communication in aircraft , ship.. |
VHF (very high frequency) | 30Mhz to 300Mhz | Line of sight or sky | Radio navigation,T.V signal , F.M.radio |
UHF (Ultra high frequency) | 300MHz to 3000MHz | Line of sight | T.V. signal, cellular phone, paging satellite |
SHF(Super high frequency) | 3GHz to 30GHz | Line of sight | Mobile, radio navigation, space and satellite communication |
EHF(extremely high frequency) | 30GHz to 300GHz | Line of sight | Radar, amateur radio, satellite and space exploration. |
Each band of frequency range has its own application and medium of propagation which depends on its frequency range and nature. Basically used in communication these have found huge role in wireless communication.
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