Modem

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A modem is a device used to convert a digital signal to an analog signal to send over the network (wired, over radio signal, etc.). It can also work the other way around, transforming the signal into a digitally encoded information. It can be found in most modern electronic devices. 

They are usually classified by how much information they can convert in a given time : the bandwidth.

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 Contributors to this page: sebastien-bartoli
 Last updated by: sebastien-bartoli,