I have never used wifi for gaming, it's just not as stable as a wired connection. I'm assuming the PS3 has a LAN port - try temporarily running a long patch cable to the PS3 and see if it makes any...

Thanks for posting! I bought two Archer C2 V1 routers a while back to upgrade my older junk and just last weekend got around to installing them. I have upgraded both to the newest firmware level. I...