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There are two types of cellular antennas for vehicles, exterior and interior. The exterior vehicle cellular antenna captures available cell phone signal for boosting. The interior cellular antenna broadcasts the amplified signal inside your vehicle.
dBi represents the gain of an antenna. The higher it is, the farther reach it has. When driving on rural or remote roads, an exterior cellular antenna with a high dBi will yield better results.
All of our cellular antennas for vehicles are compatible with all North American cellular providers. They can send and receive cellular signals from AT&T, T-Mobile, Verizon, US Cellular, Bell, Rogers, Telus, and more.
