Final on nostr

Researchers at Trinity College Dublin, lead by Professor Doug Leith did a report to determine if Airplane Mode in #GrapheneOS and other devices actually disabled cellular. It doesnt have any cellular transmissions.

https://www.scss.tcd.ie/Doug.Leith/pubs/airplane_mode_report.pdf

There is a radio activity spike at the 2.4GHz band, this suggests Wi-Fi activity and is different from cellular network activity.

All credit to Doug here: https://www.scss.tcd.ie/Doug.Leith/

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Final · 27w

In the meantime we could look in the future how to disable this spiking even when WiFi is disabled on bootup. This indicates that the Broadcom Wi-Fi/Bluetooth radio creates a frequency spike when it's enabled which does not imply it's transmitting anything, and if it was it would almost certainly b...

brito · 27w

Would be interesting to see an analysis over a couple of hours in airplane mode. I don't really understand why they only measured with the door open and then didn't test the difference with the door closed. In either case, a good read.

Freedom Tech Co. · 27w

We would like to see airplane mode enabled on first launch Also we're pretty sure that a recent update caused airplane mode to be disabled after a reboot (pixel 8 pro) A developer setting to force airplane mode at all times wpuld be great