Modem

Modem stands for Modulator comes from demodulator. Modulator is part of changing the information signal into the carrier signal (Carrier) and is ready to be sent, while the demodulator is the part that separates the information signal (which contain data or messages) of the carrier signal (carrier) that accepted that the information can be received well. Modem is a merger of both, it means the modem is a two-way communication tool. Each remote communications device of two-way commonly use the so-called "modern", such as VSAT, microwave radio, etc., but generally the more modern term known as the hardware is often used for communications on the computer.
Modem function is to change the signal digital voice signals and also this sebaliknya.Dewasa
modem has been developed with adequate facilities useful, for example, voice modem. With facilities. This voice modem, modem to change the function not only as a connecting to the internet, but more than that, the modem can a radio channel, audio, telephone conversations to
streaming video.