Modem - Wikipedia
WEBModern broadband modem speeds are typically expressed in megabits per second (Mbit/s). Historically, modems were often classified by their symbol rate, measured in baud. The baud unit denotes symbols per second, or the number of times per second the modem sends a new signal.
From Baud to Awed: The History of the Modem - Auvik
WEBMay 24, 2022 · The 1990s saw a rapid explosion in speeds. 14.4 kilobits per second modems arrived in 1991, quickly replacing the poorly selling 9600 baud modems that came before them at a much cheaper price. The USRobotics Sportster 14.4k Fax Modem was a very popular example of these 14.4 modems.
List of interface bit rates - Wikipedia
WEBThis is a list of interface bit rates, is a measure of information transfer rates, or digital bandwidth capacity, at which digital interfaces in a computer or network can communicate over various kinds of buses and channels. The distinction can be arbitrary between a computer bus, often closer in space, and larger telecommunications networks.
What technological factors drove the rise of "high-speed" modems …
WEBNov 23, 2017 · The jump to 9,600 baud came through active echo cancellation — each modem measures the amount and delay of echo at the start of the call and subsequently keeps enough of a history to eliminate its returning output — and a switch to quadrature amplitude modulation, which is amplitude modulation of two sine waves, added together (and possibly ...
| National Museum of American History
WEBCommodore VICMODEM Model 1600 for Use with a Microcomputer. This modem, made by Commodore and sold as the model 1600, consists of a telephone interface cartridge, a Victerm I program cassette, an instruction booklet and an original box. The cartridge has a brown plastic housing.
The Commodore VICMODEM (Model 1600) - pagetable.com
WEBJun 27, 2022 · The Commodore 1600, also known as the “VICMODEM”, is Commodore’s very first modem (1982): It supports 300 baud duplex connections, and is connected to an existing telephone’s handset connector instead of the phone line.
Getting connected: a history of modems - TechRadar
WEBDec 26, 2009 · It was in 1962 that the first commercial modem, the Bell 103, was released by AT&T. Including full-duplex transmission, frequency-shift keying (FSK) and a speed of 300 bps (baud). These...
The Commodore Modem/1200 (Model 1670) – pagetable.com
WEBMar 5, 2022 · The Commodore 1670, also known as the “Modem/1200”, is Commodore’s first Hayes-compatible modem: It connects directly to the phone line and supports pulse and tone dialing for 1200 and 300 baud duplex connections.
The Commodore Modem/300 (Model 1660) – pagetable.com
WEBMar 2, 2022 · The Commodore 1660, also known as the “Modem/300”, is Commodore’s first full-featured modem: It connects directly to the phone line and supports pulse and tone dialing for 300 baud duplex connections.
Commdore 1600 VICMODEM : "Modems" for the masses
WEBThe Commodore 1600 was an extremely prolific and inexpensive modem, introducing millions of computer users to the online world. Marketed to the VIC-20 user, the "VICMODEM" as it was nicnamed, operated in an extremely strange manner.