http://www.jammer-buy.com/car-use/c-37_38.html
This portable GPS jammers can be installed in a car designed specifically for drivers to protect them from tracking. It is very small, light and portable. Need to put the car's electric lighter into the car's electric lighter to use the car's battery as the power supply. The GPS jammer can block the current GPS signal (GPS L1), so it can help you deal with commonly used GPS trackers and protect your privacy.
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