RT-AX5400 or RT-AX82U

[DarkCentury]

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 

[jzchen]

Both of those models are routers, not modems.  But fiber uses an ONT not a modem.  There is a DSL-AX82U:

https://www.asus.com/networking-iot-servers/modem-routers/all-series/dsl-ax82u/

[DarkCentury]

Oww ok i now i see why i couldnt find any connection information i will check thx and also is there a modem which accepts fiber directly without ont device ont is the device that convert fiber to lan cable right ? And it seems i can not buy this from asus it gives 404 error can u give me advice on which modem should i get for 1000mb fiber