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submitted 3 weeks ago by who@feddit.org to c/world@lemmy.world
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[-] perestroika@slrpnk.net 1 points 3 weeks ago* (last edited 3 weeks ago)

I've seen tests where a reasonably equipped military vehicle could not detect a drone in the air near them transfering video, because the data link was roving through a band of several gigahertz at a thousand hops per second.

If you stay close to the noise floor, especially if you use parts of spectrum that others are using (very impolite, but people who don't want to be caught are unexceptionally impolite)... good luck to the catchers. Especially if the signal occurs at a pre-agreed time and remains short (read: don't try sending video, send something SMS sized).

[-] UnspecificGravity@piefed.social 0 points 3 weeks ago
[-] perestroika@slrpnk.net 1 points 3 weeks ago* (last edited 3 weeks ago)

Good luck sending an e-mail that can't be filtered and blocked or traffic analyzed, even if the content is encrypted.

As a minimum before trying, I would advise a peer to peer mix network (TOR, I2P). But repressive governments block those as well as they can, and may pay users a visit if they suspect something.

this post was submitted on 21 Jan 2026
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