There are multiple devices that emit radio waves. The most obvious is are radiod and microwaves (yes, the food cooker). Wireless applicances also emit radio waves. But don't confuse everything to use microwaves. Some applicances use frequencies instead of radio waves. Some applicances that use frequencies are toy control remotes and a garage door.
I hope this helps! Please make sure ask me if you need more clarity!
<span>A network layout or topology that is the most common, the most simple and easiest to use out of the four network topologies is the Bus topology, one cable is used for installation so it is also the cheapest network type.</span>
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