why do they ask us to keep our devices on airplane mode on a plane but the WiFi is allowed?
In: Technology
When your cell phone can’t connect to a cell tower, it will switch to increasingly longer range transmission modes until it does. When you’re in the air, this will drain your battery and result in your cell phone “yelling” at the ground below. This is a problem because, while the signal isn’t strong enough to successfully establish a connection with cell towers, it can still act as interference for other radio applications.
TLDR; it drains your battery and creates radio interference below you.
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