Genuine OEM Volkswagen Antenna Amplifier, part number 7T0035577A. This electronic module is designed to enhance the strength of signals received by the vehicle's antenna, improving the clarity and range of radio, navigation, or communication systems. It is typically located in proximity to the antenna system on the vehicle's side. Weighing 0.055 kg, this compact amplifier is engineered for optimal performance. Choosing a genuine OEM amplifier ensures correct impedance matching and signal processing for reliable and high-quality reception.