Genuine OEM Volkswagen Antenna Amplifier, part number 3G5035577. This electronic module amplifies the radio frequency signals received by the vehicle's antenna, ensuring clear and strong reception for the infotainment system. It is typically mounted on the roof of the vehicle. Constructed with high-quality electronic components, it is designed for reliable signal amplification. Genuine OEM antenna amplifiers are calibrated to work seamlessly with the vehicle's specific radio frequencies and antenna design, ensuring optimal audio performance.