Hello i want to buy one of these modems RT-AX5400 and RT-AX82U but couldnt see which land lines are they using so i just wanted to ask would they support vdsl 2 and fiberoptic at the some time we have 250mb connection for now but in 6 mouth we will get 1000mb fiber connection so i want a modem which can accept both connection is any of these models accepting both i did do some research and people are saying one of these models are good but couldnt find any information about would they accept 250mb phone cable or 1000mb fiber cable i live in germany btw thx for all the help
