Genuine OEM Volkswagen Antenna Amplifier, part number 3G5035577D. This electronic module is responsible for boosting the signal strength received by the vehicle's antenna, ensuring clear and reliable radio reception. It is typically located in the rear of the vehicle, often near the rear window or tailgate. Weighing only 0.046 kg, this compact amplifier is crucial for maintaining high-quality audio and communication signals. Choosing a genuine OEM amplifier guarantees compatibility and correct signal processing, preventing interference and ensuring optimal performance of the infotainment system.