Car antennas are devices used to receive radio signals for audio entertainment in vehicles. They can be found in various forms, including traditional metal rods, shark fins, or embedded within the car's body. The main purpose of a car antenna is to capture AM and FM radio waves, allowing drivers and passengers to enjoy music, news, and other broadcasts while on the road. In addition to radio reception, some car antennas are designed to support other technologies, such as GPS and cellular communication. These multifunctional antennas help improve connectivity and navigation, making modern vehicles more versatile. Proper placement and design of car antennas are essential for optimal signal reception and overall performance.