ZyXel PLA-407 Powerline Pass-Thru Ethernet Adapter I have been experimenting with a ZyXel PLA-407 Powerline Pass-Thru Ethernet Adapter.  Per the instruction manual, it “supports a data transfer rate of up to 200 Mbps.”  Like most people, I get a fraction of this at best. Approximately 80 feet of 12 AWG 3-strand copper wiring connects the […]