RFA module (Remote Frequency Actuator)

The RFA module is located in the headliner console and is tasked with the reception of the signals coming from the remote key fobs, as well as the type pressure monitoring sensors.

Pin Function
1 LIN bus, “LIN 0” (RF-Receiver) to BCM C4, pin 8
2 GND
3 +12V

Components
  • F810 0730E301 - Siemens chip, likely a PIC
  • 7,900 MHz crystal oscillator
  • TJA1020 - LIN transceiver
  • EEPROM
  • 3,3 V voltage regulator
Radio transmission parameters
  • Frequency: 433.92 MHz
  • Integrated wire coil antenna
  • Modulation:
  • Bandwidth:
LIN communication
  • en/artikel/zentralverriegelung/rfa-modul.txt
  • Last modified: Wed. 30.01.2019 08:24
  • by jphid