You will basically be plugging the Star Link in to the WAN socket of the 4GXtream and then using the web interface to switch between the wired WAN interface (Star Link) and the 4G Mobile interface.

There is a “Failover” mode in the 4GXtream where you can tell it to use the Wired WAN by default and then switch to mobile if there is no internet connection on the wired WAN interface (Star Link).

This article online tells you how to bypass the Star Link router and will be applicable for our 4GXtream…

https://www.starlinkhardware.com/how-to-bypass-the-starlink-router