Ok, that's a reasonable answer. With my actual CAT4 LTE device, which has a gigabit interface, i could measure about 70-90mbps down and 30-50mbps up. Depending on time of course. There is a clear LOS and the tower is just 500meters away. So my plan or wish was to speed it up a little bit by using CAT6. I assume this will not happen with the SXT.
But anyway i like to play with hardware from different vendors and basically there are a few more merits with the SXT such as 2 SIM failover, smaller footprint, RouterOS with a lot of functions and so on.
So i will replace it and wait until some comparable 5G device with gigabit and a reasonable price will be released in the future