Where is the license plate sensing chip located?

2 Answers
Mila
07/25/25 1:50am
The license plate sensing chip is located at the "small dot" at the beginning of the license plate. This small dot serves as the sensing chip. More details about license plates are introduced below: 1. Definition of a license plate: It refers to the vehicle license plate, which is a panel hung on both the front and rear of the vehicle; 2. Material composition: The commonly used materials are aluminum, plastic, or stickers, displaying the vehicle's registration number, registration region, or other basic information; 3. Function of the license plate number: The license plate serves as a unique identifier for each vehicle, allowing identification of the province, city, or county to which the vehicle belongs. The vehicle management office can use the license plate to trace the vehicle's owner.
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StEmmanuel
08/10/25 4:19pm
Actually, asking where the license plate sensing chip is located seems to be a bit of a misunderstanding. Normally, the license plate itself doesn't have any chip; the chips are usually in other parts of the vehicle. For example, in the common ETC (Electronic Toll Collection) system, the sensing chip is actually installed in a small box on the inside of the windshield, called an OBU device. When you drive through a toll station, the system interacts with the antenna for toll collection. The license plate is mainly captured by cameras for optical recognition, not through a built-in chip. Some vehicles may also have additional RFID tags, but these are usually attached near the rearview mirror or the hood, not on the license plate. This design is mainly to avoid damage or theft of the chip and to facilitate maintenance and inspection. So, next time, don't bother searching the license plate; instead, focus on checking the location of the ETC device installed in the car, typically at the top center of the windshield. Also, make sure to have it installed properly to ensure the signal doesn't interfere with driving visibility.
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