What is the difference between shark fin antenna and normal antenna? Due to the high antenna of the previous rod-type antenna, it will be hindered to enter the automatic car wash, or to enter the place with narrow space. The antenna must be removed to be able to enter freely. After using the shark fin antenna,there is no need to remove the antenna, which saves time. Peace of mind again. The application of car shark antenna combines the principles of aerodynamics and aesthetics to effectively reduce airflow noise and drive quieter. It is powerful and compatible with FM, GPS, GSM and other functions at the same time. It can be upgraded as you like, and shark antenna car is very easy. Installation, the shark fin antenna can be installed without any installation tools.