Genuine OEM Audi Antenna Amplifier, part number 9J1035225. This electronic module is designed to boost the signal strength received by the vehicle's antenna, improving reception for radio, navigation, or other communication systems. It is typically located in the rear right section of the vehicle, often integrated into the roof or pillar structure. Weighing approximately 0.065 kg, this compact amplifier ensures optimal signal processing. Choosing a genuine OEM antenna amplifier guarantees the correct electronic calibration, frequency range, and robust construction for consistent and clear signal reception.