Bakit kailangan ng isang kahon ng tv ng kotse ang dalawang tuners dalawang antennas?

Bakit kailangan ng isang kahon ng tv ng kotse ang dalawang tuners dalawang antennas?

Sa dalawang tuner, dalawang antennae, you can install the antenna on the left and right sides of your car. when the car is running fast, once one antenna missed the tv signal, another antenna will be as a backup, to ensure that tv picture is stable and has no mosaic.

If your local tv signal is not strong, maybe you should consider 4 tuners 4 antennae digital tv module.