In transportation systems and smart cities, establishing reliable and high-speed communication networks is crucial for intelligent traffic management and effective city operations. The challenges include ensuring high-density coverage to accommodate a large number of connected devices and enabling high-speed communication for timely and accurate data transmission. The ICR-4461 cellular router offers a solution with its ability to provide very high-density coverage and high-speed communication, enabling efficient data exchange and real-time monitoring in transportation and smart city applications.