Genuine OEM Audi Trunk Lid Antenna Amplifier, part number 8J8035225M. This electronic module is designed to boost the signal received by the vehicle's antenna, ensuring clear and strong radio and communication reception. It is typically located within or near the trunk lid assembly. Weighing approximately 0.146 kg and measuring 0.129m in length, it's a compact yet crucial component. Choosing a genuine OEM amplifier ensures precise signal processing and seamless integration with the vehicle's electrical system, preventing signal degradation and interference.