@Kevin_Z Thank you for your reply. It is a DSL modem. I don't really want to buy a modem/router, as the brilliant Archer AX90 is a router anyway. Don't TP Link do just modem's? Seems strange if they...

I bought an Archer AX90 recently but naively didn't realise that I also need a modem to go with it. I'm currently plugging it into my old Vodaphone router, but the speed seems exceptionally slow. Are...