Linksys PLEK500 power-line networking review: Pricey for its performance

The adapters in the Linksys AV2 networking kit were the only ones in their class to be outfitted with three prongs (the Zyxel AV2 MIMO adapters do, too, but they’re MIMO adapters). Avoid these if your home doesn’t have grounded wiring, because you won’t be able to plug them in. What’s more, their chunky form factor