The role of the car antenna

The role of the car antenna is:

1. It is mainly used to receive external signals. The car owner can listen to the radio in the car, relying on the role of the antenna; 2. There are also some special functions. The role of the antenna on the police car is to receive mobile radio, especially the police's special band information 3. The car antenna is also a kind of electrostatic discharger, mainly the electrostatic discharge accumulated in the car shell to protect the safety of passengers and body circuits. Car antennas can be divided into car built-in antennas and external antennas, and other antennas are also installed in cars according to different purposes, such as DVB-T antennas for buses and car TV antennas.