No, you are not able to use ASUS RT-AC1200 router as a repeater as it only supports the router and Access Point mode.
We can not use Asus RT AC-1200 as a repeater.
No , you cannot
No, we cannot use it as a repeater.
No it’s not possible.
No, we cannot
No. You can not use the ASUS RT AC-1200 Router as an Repeater.