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Old 06-30-2013, 09:58 PM   #3
ksanders
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City: SEWARD ALASKA
Vessel Name: DOS PECES
Vessel Model: BAYLINER 4788
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The absolute theoretical maximum you could ever reach on a GSM cell phone is 21 miles.

Thats because at over 21 miles from the tower there are timing signals that do not work.

As a full disclosure this is not my first hand knowledge. One of the tech's I work with is a cell guru and he told me this. If he says it about cell phones I have very good confiudence that it it true.
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