Current status of wireless environment security and confidentiality inspections for domestic vehicles:Easy to obtain theft tools Convenient communication network. Low cost of illegal activities.High protection cost, Diversified forms of secret theft, High incidence of vehicle leaks,Vehicles, as an important leakage environment, are likely to have a high incidence of vehicle leakage incidents in the future. So reducing the cost of vehicle confidentiality testing and popularizing the confidentiality protection of relevant vehicles for key personnel and units is an urgent task.The car tracker detector device can search, identify, analyze, and locate suspicious signals of special and key vehicles, ultimately eliminating suspicious devices such as illegal GPS locators, eavesdropping devices, and surveillance devices.