Car OBD jammer GPS, Beidou signal shielding instrument

Please read the instructions carefully before using, so as to install correctly and use quickly. The color of the product should be based on the real object.This product shields the GPS/ Beidou satellite signal, and does not affect the transmission of other signals,Mainly guard against tracking and positioning, protect your personal privacy and security.
Basic parameters

Instructions for quick use of products
1. Find the OBD port of the car (computer diagnostic port)
Find a way: Open Baidu/ Google Web page - enter the year, brand, model of the car, Plus + OBD port where? Then Baidu/ Google will prompt the location of the OBD port。
2.Plug the product into the OBD port to turn on the electricity and light the working lamp.
3.The OBD interface of automobile is used to detect the diagnosis interface of the vehicle. It is idle at ordinary times. Inserting this OBD jammer has no effect on the function of the vehicle
Reminder：The location of the OBD interface is usually below the steering wheel, and the upper part of the brake pedal has some cover plates, which need to be opened

Common problem
1. Test whether the product is effective？
Turn on the phone navigation, enter the target area, then drive to see if the mobile phone is moving。
2.Why not shield individual cars and locators?
Without shielding the original vehicle navigation of high-end car, the satellite receiving antenna may be on the roof of the car, the interference wave can not penetrate the metal car shed, resulting in non-interference. The location of the base station with mobile phone can not be interfered by different factors, but the location error of the base station is several hundred meters, more than a few kilometers. But it does not affect the use of this product.