1. If the long battery life gps tracker for trailer is installed by someone else, they want to check your location remotely. The GPS device must have a mobile phone module, go to the electronic market (such as Shenzhen Huaqiang North) to buy a tracking mobile phone signal equipment, take this device in your car to search around, soon you can find the location of the installation!

　　2, you can also go to the electronic market to buy a mobile phone signal or GPS signal shielding interference equipment, also not very expensive, so no matter installed or not installed, others can not find your location! (Some people who steal cars have this device, so when the GPS anti-theft device is blocked, it's basically useless!)

　　3, removal: now the GPS is generally connected to the battery; There's a little black box in the cab or under the copilot's dashboard. Just pick out the wires. The ones that have their own power supply and can suck it up are going to the garage.

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