Are shark antennas any good?

The main function of the car antenna is to intercept the high-frequency radio waves emitted by the transmitter and transmit it to the receiver of the car radio, car phone, and radio navigation equipment to demodulate the carrier. Common car antennas include telescopic antennas, whip antennas, shark fin antenna and car glass antenna: car shark antenna Compared with the traditional telescopic antenna, whip antenna and car glass antenna, it has a dazzling appearance, and can integrate various powerful products such as FM, GPS, GSM, etc. The characteristics of car electronic functions can be installed after purchase, but some shark antenna car are just decoration and have no real effect, so pay attention to distinguish them when buying.