The nRF9161 DK supports Serial Wire Debug (SWD) programming interfaces for onboard and off-board nRF targets.
The primary target for programming and debugging in the Development Kit (DK) is the nRF9161 System in Package (SiP). The interface MCU also supports programming external nRF devices fitted on a shield or through a connector to external boards such as the user's own prototypes.
The interface MCU automatically detects connected external targets.