In modern wireless communications, radar systems, and high-speed test and measurement fields, high-performance microwave transmission lines play a crucial role. The YX-CA520 microwave cable, with its outstanding engineering design and precise manufacturing process, achieves wide-band coverage from DC to 26.5 GHz within a slim diameter of only 5.2 mm while maintaining a propagation velocity as high as 83%. It provides a reliable and efficient signal transmission solution for high-frequency application scenarios.