MTL News

Novel transmitter protects wireless data from hackers

June 12, 2018

Device uses ultrafast "frequency hopping" and data encryption to protect signals from being intercepted and jammed.

MIT-Frequenxy-Hopping1.jpgMIT researchers developed a transmitter that frequency hops data bits ultrafast to prevent signal jamming on wireless devices. The transmitter's design (pictured) features bulk acoustic wave resonators (side boxes) that rapidly switch between radio frequency channels, sending data bits with each hop. A channel generator (top box) each microsecond selects the random channels to send bits. Two transmitters work in alternating paths (center boxes), so one receives channel selection, while the other sends data, to ensure ultrafast speeds.

Courtesy of the researchers

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