Stay connected anywhere with SureCall's heavy-duty OTR truck antenna that is equipped with a strong base and mirror mount that can hold up in the harshest conditions. The high-performance SC-550W antenna provides better interior coverage and connectivity for multiple simultaneous users on all 5G and 4G LTE cellular devices, including hotspots, when paired with the Fusion2Go 3.0 or another in-vehicle signal booster kit. Designed for use with large trucks, big rigs, RVs, and fleet vehicles, SC-550W comes equipped with a 2-clamp mounting bracket and durable mounting hardware with thread-lock glue that helps withstand vibrations. The antenna is constructed with durable weather-proof components that are protected from water, dust and the harshest road grime.