This device definitely works My Asus router seemed to overheat and freeze but now it doesn't. But it's a bit pricey for what it is and they don't even collect it for you. dust cover on the fan and cut the stickers to the right size to attach to the router. It comes unassembled as shown in the photos. We have found a solution to this problem on some Asus routers. But they could do better.
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