Elvith Ma'for

Former Reddfugee, found a new home on feddit.de. Server errors made me switch to discuss.tchncs.de. Now finally @ home on feddit.org.

Likes music, tech, programming, board games and video games. Oh… and coffee, lots of coffee!

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Joined 5 months ago
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Cake day: June 21st, 2024

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  • Well, VDSL and VDSL2 use 138kHz to 12MHz and then 30-35.5MHz (according to the german Wikipedia - I couldn’t find that table in the English article.)

    Powerline has several standards (same as above, couldn’t find that table in the English Wikipedia), but the frequency range starts at 2-4MHz and ends at 20-30MHz (with one standard using 30-68MHz).

    For DSL, there’s not really a problem using these frequencies but powerline transmits at a higher power and intentionally uses cross talk as a feature. The byproduct is that now your power cables act as an antenna and the Powerline signal “leaks”.

    Medium Frequency radio stations e.g. use the band from about 520kHz to 1.6MHz which correlates with Powerline and can be affected by it. Edit: Medium Frequency transmissions in general (300kHz - 3MHz) and High Frequency transmissions (3MHz - 30MHz) can be affected, but radio stations shouldn’t (~530kHz - 1.6MHz).

    And yes, if you’re transmitting “strong enough” over Powerline (depending on your adapter and how well your cables act as an antenna) one could recieve your signal and decode it. IIRC the signal is encrypted (somewhat like WiFi - the adapters need to be paired to talk to each other), but I don’t know much details about it.





  • …its just a password to access a list of passwords.

    Unless you never thought of, implemented, regularly did and regularly tested your backup of the database. Or… try to use it on more than one device - maybe even at the same time.

    That’s the main problem with KeePass. It’s nice to have it offline, fully under your control and out of the cloud, but that comes with some responsibilities on your end. And now think of how the average user solves this. If you’re tech savvy enough, KeePass is great!