Re: Cell Phone Use Coming for Airbus Fliers

Since there are no references to GSM 800 in the official documents

> (hence, it doesn't exist), I figured it was a typo for GSM 900. > In any event, there is no carrier in the world claiming to provide GSM > 800 service.

If you read my original article you'd see that I addressed this that when they introduced GSM on cellular frequencies they decided for whatever reason to call it GSM 850. The truth is that it uses the same cellular frequencies used by analog AMPS, TDMA (IS-136) and CDMA. Those claim to be on 800 Mhz when the truth is that no cellular or PCS standard is exactly 800 or 1900 Mhz. They use one frequency to transmit and one to receive. Those frequencies are *around* 800 or

1900 Mhz.
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Joseph
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