The PROSUND 2×20×3 channel 40 GHz RF switch matrix system adopts compact 3-layer stacked design with total 60 DUT channels, covering DC to 40 GHz millimeter-wave band. Equipped with built-in industrial IPC and full-auto RF test software, it is compatible with mainstream VNAs and supports AFR automatic fixture de-embedding calibration. Featuring low insertion loss, high channel isolation and 5 million-cycle long-lifetime RF switches, its compact footprint fits small & medium production lines and R&D labs, realizing one-stop automatic batch RF performance testing for high-speed cables, millimeter-wave modules and semiconductor chips.