The Genuine BMW Antenna Amplifier Diversity (315 Mhz) - 65209193843 is a high-quality car accessory designed to improve the reception of your BMW's radio, GPS, and other wireless signals. It operates at a frequency of 315 Mhz and is specifically designed for use in BMW vehicles. This antenna amplifier diversity helps to boost the signal strength, ensuring better audio and data transmission. It is a genuine BMW product, ensuring compatibility and reliability. The compact and durable design allows for easy installation and long-lasting performance. This antenna amplifier diversity is an essential component for a seamless and uninterrupted communication experience while driving your BMW.