@David-TP i'm also looking for antennas that works with X50, please list a few here

same here, really need to disable wifi on my x50, just want it in wired mode

Running speed test (using bredbandskollen.se) on a brand new X50 - placed in window, 1 client - carrier = telenor sweden X50-5G in average I get around 110 Mbit/s down, 95 Mbit/s up, ping 26.93 ms...