Questions tagged [cell-phone]

20 questions
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How did the 9/11 flights recieve cell phone signals?

The maximum distance at which a phone can still make calls and send texts varies depending on the type of tower and transmitter, but an airplane would have to be no more than 10,000 feet in the air for any cell phones on board to still have a…
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Why turn mobile phones off on take off and landing?

Why do commercial airlines insist on turning phones to airplane mode? Does it really interfere with the planes dedicated frequencies?
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Can I leave my smartphone turned on in the checked-in luggage?

For obvious reasons, that's the best way of tracking the whereabouts of my luggage. Once the plane lands, it would establish a 3G connection, and I would be able to access its GPS position.