<ul data-eligibleForWebStory="false"><li>Researchers have developed TEMPEST-LoRa, a method to encode LoRa data into video files for transmission.</li><li>By using a specially-constructed video file, information can be broadcasted via LoRa using a video cable and graphics card as the transmitter.</li><li>The technique requires a display resolution of 1080×1920@60Hz, and the video must play fullscreen, allowing transmission even when the display is off.</li><li>The maximum transmission distance achieved was 81.7m at 21.6 kbps, and the code is available on GitHub for academic use.</li></ul>

Video Cable Becomes Transmitter with TEMPEST-LoRa

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