Last year, a Redditor found this ominous log concealed in his car. Turned out it was the FBI's favorite little stealth GPS tracking device. iFixit got its hands on the one—and busted it open. Behold the guts.


First off, this ain't your typical teardown—because the FBI sure doesn't want anyone sticking their curious fingers inside their spy toy. iFixit says "the screws were coated with so much threadlocker that we had to break out the power drill and eliminate the screw heads." Yowza.

Other than that, the tracker is surprisingly unsophisticated—just a GPS module, radio transmitter (for shooting coordinates back to the feds), and a bunch of big batteries to keep the thing humming along. But! These are no ordinary batteries—they're lithium-thionyl chloride bad boys, rated to provide up to 20 years of power. That's a lot of tracking. Tech-wise, it's actually kind of a dinosaur—the GPS processing chip was made in 1999. Cher was #1 on the Billboard charts in 1999, for context. But the barebones approach works—even if the tech is last decade's. [iFixit]

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