9 Spy Gadgets That Will Leave You Awestruck

By siliconindia  |  Friday, 27 March 2015, 00:56 IST

5. Tree Stump Bug

Have you ever imagined that a “Tree Stump Bug” can be a spy gadget? Back there in 1970s this stump bug used solar power to function continuously in a wooded area.

The bug seized communications signals coming from a particular area and then beamed them to a satellite, which then sent the signals to a site in the headquarters.

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