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## What are the uses of radio waves?

Various frequencies of radio waves are used for television and FM and AM radio broadcasts, military communications, mobile phones, ham radio, wireless computer networks, and numerous other communications applications. Most radio waves pass freely through Earth’s atmosphere.

## Which technology uses radio waves to transmit a signal over the longest distances?

A microwave link is a communications system that uses a beam of radio waves in the microwave frequency range to transmit video, audio, or data between two locations, which can be from just a few feet or meters to several miles or kilometers apart.

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## What uses radio waves to transmit data between two devices?

Wi-Fi uses radio waves to transmit information between your device and a router via frequencies. The higher the frequency, the greater the amount of data transmitted per second. The two Wi-Fi frequencies are split into multiple channels so as to prevent high traffic and interference.

## How do radio waves transmit?

A radio wave is generated by a transmitter and then detected by a receiver. An antenna allows a radio transmitter to send energy into space and a receiver to pick up energy from space. Transmitters and receivers are typically designed to operate over a limited range of frequencies.

## How is data put on a radio wave?

A.M. stands for amplitude modulation. In this method, the information is put into a radio wave by varying the amplitude. For example, if all we wanted to do was send 1’s and 0’s, we could have just two different levels of amplitude that correspond to these numbers–1 being high, 0 being low.

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## Why do radio waves keep the same frequency?

To understand these two ways of sending information it is important to know that radio waves, by themselves, have very regular patterns. Generally they keep the same amplitude or frequency all the time. (Amplitude is the “height” of the radio wave, frequency is how close the waves are to each other.) A.M. stands for amplitude modulation.

## How is data put on radio waves ( QRG )?

They are called A.M. and F.M. just like the two choices you’ve always known are on a radio. To understand these two ways of sending information it is important to know that radio waves, by themselves, have very regular patterns. Generally they keep the same amplitude or frequency all the time.

## Which is the height of a radio wave?

(Amplitude is the “height” of the radio wave, frequency is how close the waves are to each other.)