Hi As the current 500 MPS units effectively put my broadband connection through the household mains wiring can I simply plug a TL-WPA4220 into a mains socket and use it as a wifi extender?

Region : Argentina Model : TL-WA830RE Hardware Version : V2 Firmware Version : ISP : I use 2 tp link 500mps units to operate my NAS and streamer and want to have a wifi extender; how can I...