Magnetic fields overcome the limitations of radio frequency signals for ground penetration.
  • Dave.@aussie.zoneEnglish
    4·
    12 days ago

    This was done 20 years ago with magnetic loop antennas for mining, there is nothing particularly revolutionary here.

  • henfredemars@infosec.pubEnglish
    2·
    12 days ago

    It’s got a very long way to go, but it could be interesting if phones could be compatible with the technology despite their very small size compared to their square meter transmission antenna.