+A **modem** (modulator-demodulator) is a network device that converts data between digital and analog signals. It allows a [Computer](/wiki/computer) to send and receive information over communication lines, acting as a crucial bridge for [Internet](/wiki/internet) access. This device translates digital data into analog waves for transmission, and then reverses the process to receive data.
+## See also
+- [Router](/wiki/router)
+- [Broadband](/wiki/broadband)
+- [Ethernet](/wiki/ethernet)
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