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Exploring Unintentional Radio Emissions with the RTL-SDR

August 09, 2013 admin

Melissa Elliot (0xABAD1DEA), an infosec security researcher has uploaded slides on the topic of investigating unintentional radio emissions from various electronic devices, and the security issues these emissions can cause. She used the RTL-SDR as the radio receiver to show that sophisticated equipment isn’t needed.

One interesting experiment she performed was trying to recover a checkerboard image displayed on an LCD screen entirely via its unintentional radio emissions received with the RTL-SDR. She got close, as you can sort of make out the checkerboard pattern on the recovered image below.

Update: Tomsguide have written an article on Melissa’s talk.

LCD Recover from Unintentional Radio Emissions

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