![Radio waves are electromagnetic waves used for communication purpose. Name two communication system that use space wave mode of propagation. Radio waves are electromagnetic waves used for communication purpose. Name two communication system that use space wave mode of propagation.](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/642764169_web.png)
Radio waves are electromagnetic waves used for communication purpose. Name two communication system that use space wave mode of propagation.
![Radio Waves Used for communications Energy: Low energy Wavelength: a few cm to a few km Frequency: 10 2 Hz to 10 8 Hz Dangerousness: Not dangerous. - ppt download Radio Waves Used for communications Energy: Low energy Wavelength: a few cm to a few km Frequency: 10 2 Hz to 10 8 Hz Dangerousness: Not dangerous. - ppt download](https://slideplayer.com/7988050/25/images/slide_1.jpg)
Radio Waves Used for communications Energy: Low energy Wavelength: a few cm to a few km Frequency: 10 2 Hz to 10 8 Hz Dangerousness: Not dangerous. - ppt download
![Radio Waves: A History, and Communication, Amplitude Modification (AM) and Frequency Modulation (FM) - ScienceAid Radio Waves: A History, and Communication, Amplitude Modification (AM) and Frequency Modulation (FM) - ScienceAid](https://scienceaid.net/images/4/45/radiowaves.png)
Radio Waves: A History, and Communication, Amplitude Modification (AM) and Frequency Modulation (FM) - ScienceAid
![Starter Write down on the mini white board the types of electromagnetic wave used for communication. (Hint) Remember the types: Gate X Usually Lets In. - ppt video online download Starter Write down on the mini white board the types of electromagnetic wave used for communication. (Hint) Remember the types: Gate X Usually Lets In. - ppt video online download](https://slideplayer.com/slide/5663870/18/images/1/Starter+%EF%83%A0+Write+down+on+the+mini+white+board+the+types+of+electromagnetic+wave+used+for+communication..jpg)
Starter Write down on the mini white board the types of electromagnetic wave used for communication. (Hint) Remember the types: Gate X Usually Lets In. - ppt video online download
![ABC D E F G The Electromagnetic Spectrum The different parts of the electromagnetic spectrum have many different uses. - ppt download ABC D E F G The Electromagnetic Spectrum The different parts of the electromagnetic spectrum have many different uses. - ppt download](https://images.slideplayer.com/1/234554/slides/slide_8.jpg)