@Kevin_Z Hello, I have this disconnecting issue once or twice a day for a year now with MR 600 which I changed for MR 6400 V5 EU but still the same disconnecting issue. I also tried with my M7200...

I found the specs of the 4G antenna I'm connecting to (with Free mobile in France): 723.0 - 733.0MHz 778.0 - 788.0MHz band 20 is 800mhz and 28 is 700mhz so the auto selection from the router makes...

@Kevin_Z Thanks for the beta firmware link! After experiencing several internet disconnection every day I just installed the firmware on my Archer MR600 V1 and chose 2 bands that worked well in auto...