• lime!@feddit.nu
    link
    fedilink
    English
    arrow-up
    17
    ·
    1 month ago

    i proof-read a dissertation on that very subject 10 years ago. it was using Bluetooth Low-Energy but the principle was the same. works through walls as well.

    • glitch1985@lemmy.world
      link
      fedilink
      English
      arrow-up
      4
      ·
      1 month ago

      Bluetooth is often used when tracking movement and wait times through queue lines in airports.