Modems

thumb|Acoustic coupler modems used a telephone handset as the audio medium, with the user dialing the desired number and then pressing the handset into the modem to complete the connection. These systems generally operated at a speed of 300 bits per second.

technologies for transmission of digital data over telephone lines

a simple data link layer protocol used between two devices

broadband Internet access device

The is a satellite modem peripheral for the Super Famicom, produced by Nintendo as part of the fourth generation of video game consoles. It was released in Japan on April 23, 1995, as the successor to the Famicom's Network System. Containing a megabyte of ROM space and 512 kilobytes of RAM, the Satellaview allowed players to download games, magazines, and other media through satellite broadcasts provided by St.GIGA. Players purchased or rented a broadcast satellite tuner. It attaches to the expansion port on the bottom of the Super Famicom. The Satellaview received extensive support from

type of computer network modem; network equipment

modem providing Internet access via a wireless connection

specific command language originally developed by Dennis Hayes for the Hayes Smartmodem 300 baud modem in 1981

serial cable connecting two computers

device for for coupling electrical signals via sound

thumb|A Conventional PCI|PCI softmodem (left) next to a conventional ISA hardware modem (right)

ITU-T recommendation for modems

HSDPA USB modem

mechanism to remotely access IT devices

Type of modem

U.S.-based manufacturer of modems

PlayCable was an online service introduced in 1980 that allowed local cable television system operators to send games for the Intellivision over cable wires alongside normal television signals. Through the service, subscribers would use a device, called the PlayCable adapter, to download the games for play on their Intellivision. It was the first service that allowed users to download games for play on a video game console. PlayCable was not widely adopted, due in part to high costs for users and operators, as well as limitations of the PlayCable adapter. The service was discontinued in 1984.

Type of modem

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