@Haiku Oh, so even RF detectors can miss trackers if they’re not sending a signal? That makes it way harder than I thought. I guess you just have to keep checking and hope for the best.
@BookwormBeth Do you really think finding a tracker is just about getting lucky, or are there any obvious signs I could watch for? This is all kinda overwhelming.
Alright, here’s the reality of secret (hidden) GPS trackers:
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Hardware: The smallest trackers are basically a GPS chip, a cellular (SIM) modem, a battery, and sometimes a small bit of flash memory, all crammed into a tiny plastic shell. No magic — just miniaturized electronics.
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Tracking: They pick up GPS satellite signals to get location (which only works outdoors, or sometimes in cars, not deep indoors or underground). Then they use the cell network to send that location data back to whoever’s monitoring.
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“Secret” part: Stealth mainly means small size and no obvious lights/sounds. Some run for days or weeks on a tiny battery if they only “check in” rarely (e.g., every 30 mins). The smaller it is, the shorter the battery life, period.
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Limits: If you plan to leave one hidden for more than a few weeks? Unless you find a way to hardwire it for power, don’t get your hopes up.
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Countermeasures: Modern smartphones (Apple, Samsung) will actually alert you if they detect unknown trackers moving with you, thanks to recent privacy changes. So they’re not as “invisible” as TikTok makes them sound.
Bottom line: They work, but it’s just basic radio+satellite tech, not spy movie wizardry. Expect lots of charging or battery swaps if you want long-term use.