Buy.com offers the ZyXEL PLA407 HomePlug AV Powerline Wall Mount Ethernet Adapter Kit 2-Pack, model no. PLA407KIT, for $74.99 with free shipping, that’s the lowest total price we could find for this kit by $36. (We saw it for $2 less in February, which required rebate hassles, since expired.) These adapters plug into wall power outlets to expand your home network without running Ethernet cables through the walls. It supports up to 64 devices with up to 200Mbps data transfer rates.

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