Genuine OEM Audi Keyless Entry System Aerial, part number 4M0907176. This electronic module is a crucial component of the vehicle's keyless entry system, responsible for receiving signals from the key fob. It is typically mounted externally at the rear of the vehicle. Weighing approximately 0.0185 kg, this aerial ensures reliable communication for locking, unlocking, and starting the vehicle. Using genuine OEM electronic components guarantees proper signal reception, system integration, and long-term reliability for keyless functions.