Security Threats

Current Passive Entry Passive Start (PEPS) system vehicles are equipped with several Low Frequency (LF) 125 kHz antenna transmitters which cover specific zones inside and outside of the vehicle. The LF antennas send beacon signals. If the smart key is within range (1 meter) of an antenna the 'sleeping' smart key picks up the LF signal. This signal wakes the smart key and triggers the processing of the received message. The smart key replies to the vehicle using a separate Radio Frequency (RF) channel. This RF channel is 433 MHz in Europe (EU), 315 MHz in North American Specification (NAS) and Rest of World (ROW) markets.