Method and apparatus for interfacing analog data devices to a cellular transceiver with analog modem capability
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United States of America Patent
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N/A
Issued Date -
May 26, 2005
app pub date -
Nov 2, 2004
filing date -
Nov 20, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An interface device inserted in the telephone line between a data device and a fixed wireless terminal recognizes when the attached data device goes off-hook in order to send a string-command message and signal the fixed wireless terminal's cellular transceiver to change to the proper mode. The interface device is powered by the telephone line current provided by the fixed wireless terminal. The interface is pre-programmed to send a command dial-string, or other unique signal, that will cause the cellular transceiver of the FWT to process the data call correctly.
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