Left antenna amplifier module, component description - GF82.62-P-3121TXD

MODEL 211, 219 as of Model Year 9/AEJ 07 

Shown on model 211.0 

Location: 

The left antenna amplifier module is located beneath the paneling at the left C-pillar.

Shown on model 211.2 

Location: 

The left antenna amplifier module is located beneath the paneling above the left rear side window.

Task (model 211.0, 219) 

• Receiving, amplifying and relaying the amplitude modulation (AM)/frequency modulation (FM) signals to:
  • the radio (A2),
  • the radio control panel and navigation unit (A2/56) or
  • the COMAND operating, display and controller unit (A40/3).
• Receiving and relaying the weatherband signals (with code 494 USA version).
• Receiving, demodulating and digitizing the signals for the electric central locking and relaying them to the rear SAM control unit with fuse and relay module (N10/2).
• Receiving and relaying the television (TV)1 and TV2 signals to the TV combination tuner (analog/digital) (A90/1) (with code 863 Digital/analog TV tuner, except code 494 USA version).
• Decoupling the rear window from the body mass and the subharness via a suppression filter

Task (model 211.2, except code 494 USA version) 

• Receiving, amplifying and relaying the AM/FM1 signals to:
  • the radio,
  • the radio control panel and navigation unit or
  • the COMAND operating, display and controller unit
• Receiving, demodulating and digitizing the signals for the electric central locking and relaying them to the rear SAM control unit with fuse and relay module.