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About: Bell 103 modem     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:Whole100003553, within Data Space : dbpedia.org associated with source document(s)

Type: yago:WikicatModemsyago:Artifact100021939yago:ElectronicEquipment103278248yago:Equipment103294048yago:Instrumentality103575240yago:Modem103777754yago:Object100002684yago:PhysicalEntity100001930information applianceyago:Whole100003553 New Facet based on Instances of this Class

The Bell 103 modem or Bell 103 dataset was the second commercial modem for computers, released by AT&T Corporation in 1962. It allowed digital data to be transmitted over regular unconditioned telephone lines at a speed of 300 bits per second. It followed the introduction of the 110 baud Bell 101 dataset in 1958. The Bell 103 modem used audio frequency-shift keying to encode data. Different pairs of audio frequencies were used by each station: