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KF5JRV > TECH 20.05.16 12:32l 31 Lines 1717 Bytes #-3538 (0) @ WW
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Subj: First Wireless Computer Tablet
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The First Tablet Computer with Wireless Connectivity April 1993 – July 1994
In April 1993 AT&T introduced the AT&T EO Personal Communicator, the first
tablet computer with wireless connectivity via a cellular phone. The device,
which provided wireless voice, email, and fax communications, was developed by
GO/Eo, a subsidiary of GO Corporation, both of which were acquired by AT&T in
1993. As advanced as it was, the AT&T Personal Communicator was probably far
ahead of the market. EO Inc., 52% owned by AT&T, failed to meet its revenue
targets and shut down on July, 1994.
"Two models, the Communicator 440 and 880 were produced and measured about the
size of a small clipboard. Both were powered by the AT&T Hobbit chip, created
by AT&T specifically for running code from the C programming language. They
also contained a host of I/O ports - modem, parallel, serial, VGA out and
SCSI. The device came with a wireless cellular network modem, a built-in
microphone with speaker and a free subscription to AT&T EasyLink Mail for both
fax and e-mail messages.
"Perhaps the most interesting part was the operating system, PenPoint OSO,
created by GO Corporation. Widely praised for its simplicity and ease of use,
the OS never gained widespread use. Also equally compelling was the tightly
integrated applications suite, Perspective, licensed to EO by Pensoft
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