RadioWAVES
General facts
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- Used for radio broadcast, mobile phones, airport and bluetooth
- Radio frequencies are in the range of 300 kHz to 10 GHz.
- Some wireless LANs, use radio frequencies to connect the workstations together.
- Radio waves frequency can travel long distances, and can penetrate buildings easily.
- They are widely used for communication, both indoors and outdoors.
- They can travel in all directions from the source, so the transmitter and receiver do not have to be carefully aligned physically.
- Radio Frequency includes the following types-
- Short wave used in AM radio.
- Very high frequency used in FM radio and TV.
- Ultra high frequency used for TV.
Advantges and disadvantages of radiowaves.
Advantages
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Disadvantages
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