The first modem to be made commercially available in the United States was the Bell 103 modem, introduced in 1962 by the American Telephone & Telegraph Company (AT&T). The Bell 103 permitted full-duplex data transmission over conventional telephone circuits at data rates up to 300 bits per second.

When did modems become popular?

Commercial modems largely did not become available until the late 1950s, when the rapid development of computer technology created demand for a method of connecting computers together over long distances, resulting in the Bell Company and then other businesses producing an increasing number of computer modems for use ...

Who invented first modem?

Eventually the modulator-demodulator was used to allow dial-up Internet connections to personal computers at home. The first PC modem (80-103A) was created in 1977, by Dale Heatherington and Dennis Hayes.