TigerDirect offers the TRENDnet 500Mbps Powerline AV Ethernet Adapter Kit, model no. TPL-401E2K, for $49.99 with $2.99. That’s $7 less than our April mention and the lowest total price we could find now by $41. This plug-and-play Ethernet kit uses your existing electrical outlets to create a secure 500Mbps high-speed building-wide network.

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