What is the maximum remote control distance for a car key?

1 Answers
MacEzra
07/29/25 6:50pm
The maximum reception distance for a car key is approximately 50 meters, which is achievable only under conditions without any electronic interference or physical obstructions. Typically, the signal is strongest and most easily received within a range of over 10 meters. Additionally, the reception distance is related to the quality of the remote key and other factors. Additional information: 1. A remote key refers to a device that can lock and unlock doors from a distance without inserting the key into the lock. Its greatest advantage is the ability to conveniently lock and unlock the car from afar, regardless of day or night, without needing to locate the keyhole. 2. The key emits a weak radio wave, which is received by the car's antenna. The electronic control unit (ECU) then identifies the signal code, and the system's actuator (motor or electromagnetic coil) performs the locking or unlocking action. This system mainly consists of two parts: a transmitter and a receiver.
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