this post was submitted on 26 Feb 2024
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[–] [email protected] 7 points 10 months ago (2 children)

In my country, 2G phones could interfere with radios with that da-dada-da-dada sound. I know people who have personally had that happen to them while trying to land airliners and it made listening to ATC more difficult.

I don’t think it’s an issue anymore though.

[–] [email protected] 13 points 10 months ago* (last edited 10 months ago) (1 children)

That's because phones and airplanes were operating on the same frequency. They don't do that anymore... in part because there's a dozen phones on every flight that haven't been put in airplane mode.

[–] [email protected] 1 points 10 months ago

No they don't. GSM is all over the place with frequency, but it never goes down to 118-137 MHz which is where air traffic sits. It's just that mobile phones will increase transmission power to reach cell towers and that can produce that annoying disturbance. Phone won't mess up instruments, just annoy people trying to talk and get your ass safely from the ground.

[–] [email protected] 7 points 10 months ago (2 children)

Definitely not an issue in the US anymore. T-Mobile is the last carrier to support 2G and they're shutting that down in April this year. I think most Android phones explicitly disable 2G now too because it's not secure.

[–] [email protected] 4 points 10 months ago* (last edited 10 months ago)

Mine has it disabled, but available if I want to enable it (with a security warning.)

[–] [email protected] 2 points 10 months ago

Mine had it disabled by default, but still available for emergency calls, and the option to enable it.