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Roman Erchik2020-10-16 02:45:42
Mobile devices
Roman Erchik, 2020-10-16 02:45:42

Does the mobile operator see the movement of the SIM card in Airplane Mode?

Hello.

Does the operator see the card without a phone?
Does the operator see the card in Airplane Mode?

Why in films, when a card is pulled out, it is immediately broken :)

I can't understand if the card has batteries or not so much is needed to send a signal to the tower?

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3 answer(s)
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Armenian Radio, 2020-10-16
@romanere

No and no.
Because it says so in the script. Why it is written this way is a matter of directing and dramaturgy, not technology.
I also want to note that in films, pistols have an infinite number of cartridges, huge explosions do not have explosive waves, in space laser beams make pew-pew, and all the main characters are handsome.
There are no batteries in the card. If you take an X-ray of the card, you can be sure that 90% of its volume is plastic, 5% are contacts, the rest is a silicon chip with memory and a processor.

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Vladimir Korotenko, 2020-10-16
@firedragon

Hello name name, you are worried about the KGB
I already understood
How?
You are calling a switched off phone.
In fact, the SIM card is just a chip, the phone does all the work.
But the BS is able to detect it even without a map.
Airplane mode actually disables all radio modules in the phone.
There are also radio condoms, they shield the phone from radio waves.

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Ruslan, 2020-10-16
@msHack

most likely yes it is better to de-energize it is more reliable

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