Will mobile phone signal jammers interfere with car remote controls?

Can a cell phone signal jammer interfere with a car remote control?

We often receive inquiries from individual customers who want to buy a cell phone signal jammer specifically for interfering with car remote controls, but we firmly refuse such requests. In most cases, the behavior of individuals interfering with car remote control signals is suspicious, and the government has announced relevant restrictions and strictly prohibits the sale of car remote control interference products on major platforms. Therefore, it is very important to understand whether the cell phone signal jammers we produce can interfere with car remote controls.

To determine whether a cell phone signal jammer can interfere with a car remote control, you need to know the communication frequency used by the car remote control device. Although there are many car manufacturers and models, the remote control frequency bands used by cars are generally similar. Most car remote controls operate at 433MHz, and a small number may use frequencies of 100MHz-470MHz. If the interference signal emitted by the cell phone signal jammer contains these remote control frequency bands, it will indeed interfere with the car remote control.

The mobile phone signal jammers we generally produce are designed for conventional signals such as mobile phones, Wi-Fi, and Bluetooth, but some mobile phone signal jammers specifically used in examination rooms may be equipped with signal jammers covering the 100MHz to 470MHz frequency band. If the car is parked near such an examination room-style jammer, it is very likely to affect the car’s remote control device. Best-selling WIFI jammers and GPS jammers in Europe and America.

In addition, there may be interference with the car remote control. For example, if the mobile phone signal jammer is placed near the car, its performance indicators, especially the power amplifier module and the antenna filter design are not good, which will cause the device to generate certain interference signals in the frequency band. Take the CDMA standard 800MHz interference module as an example. This module is a must-have configuration for mobile phone signal jammers. Under normal circumstances, the output frequency range of this module is 865MHz to 885MHz. But if the frequency doubling phenomenon occurs, divide the frequency range from 865MHz to 885MHz by 2. Obviously, it just overlaps with the 433MHz frequency band used by the car remote control.

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