My router is connected to the powerline network via ethernet cable so I won't be able to use it's wireless security options or are you saying that this can be done?

Are you sure about that? The security settings of my router will only apply to the wireless network it provides. The powerline network is connected to my router via LAN so anything connected to that...

Model : Hardware Version : Firmware Version : ISP : I have a simple working powerline wireless setup. TL-PA4010 connected to a TL-WPA4220. I want to set up the security so that I can add ip/mac...