This product is packaged in a MIL SERIES CONNECTOR box.BOARD AND PANEL indicates that the device is mounted.Furthermore, there are other features such as STANDARD: MIL-DTL-38999, EMI SHIELDED, to name a few.
DTS23H11-05DN Features
DTS23H11-05DN Applications
There are a lot of TE Connectivity Deutsch Connectors DTS23H11-05DN Circular Connectors applications.