Apple Modem IIB

The Apple Modem IIB (Novation CAT) is a communications package that extends the power of the Apple II computer by allowing to transfer of the programs to another computer over the telephone network. The Apple Modem IIB has been introduced on June 1, 1979, and its price started at $199.95.

The new Modem IIB features an Apple Portfolio Evaluator program that gives Apple II the possibility to become an intelligent terminal and gain the ability to request and process information from remote databases.

Connection to the phone system is accomplished by placing the telephone handset in position on top of the modem. No permanent connection or wiring changes are required. Apple Modem IIB contains an acoustic coupler (modem) and an optional Apple Communications Interface Card.

Apple Modem IIB is identical to Modem IIA and Apple never explained what is the difference between these two modems.

This modem has been discontinued on December 1, 1981.

Today Apple Modem IIB is 42 years old!

Apple Modem IIB
Source: Apple Magazine Vol. 1 No. 2 – Apple Modem IIB

Apple Modem IIB Release Date and Original Price

IntroducedJune 1, 1979
DiscontinuedDecember 1, 1981
Model IdentifierUnknown
Model NumberA2M0021 (Modem IIB only)
A2M0017 (Modem IIB with Interface)
Order NumberUnknown
Original Price$199.95 (Modem IIB only)
(Modem IIB with Interface)

System Requirements


Connection1 – Serial



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