A:AnswerYes, you will be able to use this router as a repeater. ASUS doesn't provide hardware modification/customization support, please do it at your own discretion.
A:AnswerI would recommend the Best Buy Waranty.
I have a failed LAN port on a ASUS ZenWifi XT9. I am writing this review while on hold with the 6th person I've spoken to get a warranty replacement in two weeks. They do everything except send me one !
A:AnswerIt has 2.4 and 5 . I split between OLED TV and computer on 5 and everything else on 2.4. Now for internet speed Im using 1 gig down and 60 meg upload. Works great.