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Radio wave transmission is the transmission that uses radio frequencies.
As we already known and very much familiar with radios and their working. When certain radio frequencies are allocated to private businesses for direct voice communication, then they can make the use of it for the private business purpose.
In general, private citizens and business users are licensed to operate in the range of about 10 miles.
Today, all the radios uses continuous sine waves to transmit the information such as audios, videos, files, or data.
Each different radio signal uses a different sine wave frequency, and that is how they are all separated.
Parts of Radio Setup
A radio setup has the following two parts:
- The transmitter
- The receiver
Let's now describe briefly about the above two terms.
The transmitter takes some sort of message and encodes it onto a sine wave and then transmits it with radio waves. Here, message could be the sound of anyone's voice or pictures of TV set or data for a radio modem or whatever.
The receiver is used to receive the radio waves and decodes the message from the sine wave it receives. Both the transmitter and the receiver uses antennas to radiate and capture the radio signal.
Advantages of Radio Wave
Here are the list of some main advantages of radio wave:
- Radio wave transmission offers mobility
- Radio wave is cheaper than digging trenches for laying cables and maintaining repeaters and cables if cables get broken by a variety of causes
- Radio wave offers freedom from land acquisition rights that are required for laying, repairing the cables
- Radio wave offers ease of communication over difficult terrain
Disadvantages of Radio Wave
Here are the list of some main disadvantages of radio wave:
- Radio wave communication provides an insecure communication
- Radio wave propagation is susceptible to weather effects like rains, thunder storms etc.
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