I have a ps3 and im using an optimum router to connect online wireless but it doesnt work. Call an optimum guy to fix connection and doesnt work. So I decide to get a powerline ethernet adapter on amazon. What are Mbps (only heard its fast but I need more details). I might get this ( TRENDnet Powerline 500 AV Nano Adapter Kit, TPL-406E2K ) its the 500 Mbps and $31plus tax and I dont know if thats fast or not. How fast is it and if its not good then what can you recommend me.