What is the frequency of BMW car keys?

1 Answers
VanAngela
07/29/25 7:12pm
BMW car keys operate at frequencies between 300MHz and 450MHz. How car keys work: Car keys mainly consist of two parts: a transmitter and a receiver. The receiver is located inside the car, while the transmitter is on the key. When within the remote control's range, pressing the button causes the receiver to demodulate and match the signal. If the match is successful, the car doors can be unlocked or locked. Precautions for locking your vehicle: Try to use the mechanical key to lock the car; After locking, carefully observe whether the car lights flash; Pull the door handle after locking to ensure the doors are truly locked; If you find that you cannot lock the car, it's best to immediately move to another location to lock it; Whenever possible, park in attended parking lots and ask for a parking receipt; Avoid leaving valuable items in the car.
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