A:Answerfor a modem 3 years is okay assuming its Docsis 3.0 or later. Check your modems rated speed and make sure it can handle the connection speed your paying for
A:AnswerThis router supports wireless setup. Please refer to page 12 of the user manual. https://dlcdnets.asus.com/pub/ASUS/wireless/RT-AX58U/E16133_RT-AX58U_UM_1119.pdf
A:AnswerWhatever you're paying for internet is the only thing you have to pay. You own the router.. You hook this up to your modem and you're good to go. No extra fees. Not even for the parental controls.
A:AnswerUsually, the red light indicates that there is no IP or no physical connection. You can reach out to our customer service team here: https://www.asus.com/support/callus
A:AnswerYes, you can use this with other ASUS routers through the AIMesh standard ASUS implements in their devices or buy a dedicated mesh system from ASUS.