The Meaning Behind Those Common Truck Features Might Surprise You
The tall rod is usually an external antenna that works as part of a mobile signal booster system. Its job is to capture weak cellular signals from surrounding towers and bring them into the vehicle. This helps improve communication while traveling through remote or low-coverage areas.
A complete signal booster setup normally includes three parts. First, the external antenna collects available signal. Second, a signal amplifier strengthens that signal inside the vehicle. Third, an internal antenna distributes the improved connection to phones, tablets, and mobile hotspots inside the cab.
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