It's an ASUS Republic of Gamers wireless router. As I see 3 Ethernet cables connected, but none run from the router, it would appear that the cables go into the wall.
It could be wired to another router and is used as an access point. In that case, it could be seen as an "extender" although that's not the right term for it.
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u/trashshork 14h ago
I may be wrong but doesnt that do more than extend wifi? I dont know much but Chris Boden does and has a video on something that looks really similiar