How does GPS tracking device technology work and would it be effective in targeting youth crime? - ABC News
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Amazon.com: Ankle Tracker, GTM MT-200X Real Time 4G GPS Ankle Tracker America, Li-Polymer 1800mAh Battery 3.7V, Waterproof IP67, 2GB Memory, Ublox MAX-7Q, GPS Chipset, CE Certified Locator Device : Electronics
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ankle monitor: Ankle monitor for kids: Is it even real? Here's everything you need to know about the viral device for children - The Economic Times
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GPS Tracker for Prisoner Ankle Bracelet Key Locker and Monitoring Software - China GPS Track, GPS Watch for Quarantine People | Made-in-China.com
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