[ELI5] Other than your own phone number and the one you’re calling what other information is sent and received via the RF devices?

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[ELI5] Other than your own phone number and the one you’re calling what other information is sent and received via the RF devices?

In: Engineering

Your phone connects to a cell tower, or is at least always trying to when it isn’t in airplane mode (or off).

The signal strength is sent and received between your phone and the tower all the time.