Genuine OEM Volkswagen Antenna Amplifier, part number 3G9035577K. This electronic module is designed to boost the signal received by the vehicle's antenna, ensuring clear and strong reception for radio and other communication systems. It is typically located in the rear of the vehicle, often near the antenna assembly. Weighing 0.049 kg, this genuine OEM amplifier provides precise signal processing and integration with the vehicle's infotainment system, crucial for optimal audio performance and connectivity.