Summary: Attempted to get a connection between the house and the shop, a distance of less than 100' but got a very poor connection. Had to select the phase to work at all. The unit seemed to be quite sensitive to EMI on the power line.
Pros: Easy to set up and worked out of the box.
Cons: Killed my Logitech RF mouse link. I pluged the unit and got my second computer connected to the net throuth the ZYXEL link. Then went back to the main computer and the mouse was almost non responsive. Unpluged the ZYXEL and the mouse operated normally. Seems the unit generates enough RFI to kill ...
Powerline adapter with awful config software & bad instructions
Tom Servo, Amazon
19 July 2012
Summary: I have used other powerline adapters (primarily Netgear). The only advantage the PLA-407 has is the noise-filtering front outlet but this is outweighed by the awful software & difficult encryption setup.
Summary: These set up very easily but a big caution: If there is any kind of filter, noise, surge protectors or even too much wire between the units they will not work. I find that when I have them on outlets on the same breaker they work fine but go across breakers, through power strips, through surge...
Summary: After reading all the glorious reviews here I got two sets of this kit. Initially I was ecstatic ! It worked right out of the box. A truly plug and play. I was downloading from the internet at full 10Mbps (according to speedtest.net). I thought everything was good.