Car antennas are also called vehicle-mounted antennas. Generally, the antennas on cars are used for radios and radio stations on cars. They can be divided into built-in car antennas and external antennas. For example, buses have DVB-T antennas and vehicle-mounted TV antennas. Logistics and taxis are also equipped with GSM antennas and GPS satellite antennas.

1. Car antennas can be used for radios, car phones or GPS positioning antennas. It mainly depends on the function of the car. Car antennas are generally only used as radio antennas. Antennas on high-end cars can be used as car phones and GPS positioning antennas;

2. There are many different antennas on police cars. It is equivalent to a mobile receiving radio station, which is used to receive military orders and information from special police bands. More than two antennas on a police car can be regarded as a small regional command center.

A small antenna is still very powerful. Since the antenna is installed on the outside of the car, it must be well maintained.