You are buying one Mini-Circuits SKY-60
Development Evaluation Board assembly with Female SMA connectors. (LO Power +7 dBm) 2500 to 6000 MHz
If
you are interested in just purchasing a PCB kit (i.e. PCB (BJ398/BJ293
case style) and connectors)
the see link: https://www.ebay.com/itm/144940694827