The Genuine BMW Antenna Amplifier Diversity (868Mhz) - 65209193833 is a high-quality, OEM replacement part for BMW vehicles. This antenna amplifier is designed to enhance the reception of the radio and other wireless signals, such as GPS and Bluetooth, by amplifying the signal received by the antenna. It operates at a frequency of 868Mhz and is specifically designed for BMW vehicles. This product is made with genuine BMW parts and is compatible with a wide range of BMW models. It is a reliable and durable option for maintaining strong and clear signal reception in your BMW.